mirror of
https://github.com/kennethreitz/interpretations.git
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kennethreitz
a9dbff25d3
Music Box Factory: G major, 108 BPM — 8 tuned percussion instruments. Kalimba, vibraphone, celesta, marimba, glockenspiel, xylophone, crotales, timpani. No synths, no strings. Cathedral: D minor, 60 BPM — tubular bells in taj_mahal, bagpipe drone, mellotron choir, timpani thunder, pipe organ, kick in cathedral reverb. Mellotron choir solo at the heart. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
425 lines
15 KiB
Python
425 lines
15 KiB
Python
"""
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MUSIC BOX FACTORY — tuned percussion only.
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Kalimba, vibraphone, celesta, marimba, glockenspiel, xylophone, crotales.
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No synths. No strings. Just metal and wood and keys.
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G major, 108 BPM.
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"""
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from pytheory import Key, Duration, Score, Tone, play_score
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from pytheory.rhythm import DrumSound
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key = Key("G", "major")
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s = key.scale # G A B C D E F#
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G = s[0]; A = s[1]; B = s[2]; C = s[3]
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D = s[4]; E = s[5]; Fs = s[6]
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score = Score("4/4", bpm=108)
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prog = key.progression("I", "vi", "IV", "V")
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# ═══════════════════════════════════════════════════════════════════
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# STRUCTURE (72 bars, ~4:00):
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# Bars 1-8: Kalimba alone — thumb piano, intimate
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# Bars 9-16: Vibraphone joins — jazz shimmer, motor wobble
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# Bars 17-24: Celesta — ethereal, high, Tchaikovsky's ghost
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# Bars 25-32: Marimba — warm wood, the low end
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# Bars 33-40: Glockenspiel — bright, cutting through
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# Bars 41-48: All together — the factory floor
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# Bars 49-56: Xylophone + crotales — the brightest moment
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# Bars 57-64: Kalimba melody reprise — over everything
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# Bars 65-72: Winding down — one by one they stop
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# ═══════════════════════════════════════════════════════════════════
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# ── KALIMBA — the seed, thumb piano ───────────────────────────
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kalimba = score.part("kalimba", instrument="kalimba", volume=0.45,
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reverb=0.25, reverb_type="taj_mahal",
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delay=0.15, delay_time=0.278, delay_feedback=0.2,
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pan=-0.15, humanize=0.1)
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# Bars 1-8: alone — simple, percussive, melodic
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kalimba_phrase_a = [
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(G, Duration.EIGHTH, 72), (None, Duration.EIGHTH, 0),
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(B, Duration.EIGHTH, 65), (D, Duration.EIGHTH, 68),
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(None, Duration.EIGHTH, 0), (B, Duration.EIGHTH, 62),
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(G, Duration.EIGHTH, 70), (None, Duration.EIGHTH, 0),
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]
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kalimba_phrase_b = [
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(E, Duration.EIGHTH, 68), (None, Duration.EIGHTH, 0),
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(G, Duration.EIGHTH, 65), (B, Duration.EIGHTH, 70),
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(A, Duration.EIGHTH, 62), (None, Duration.EIGHTH, 0),
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(G, Duration.EIGHTH, 68), (None, Duration.EIGHTH, 0),
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]
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for _ in range(4):
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for note, dur, vel in kalimba_phrase_a:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=vel)
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for note, dur, vel in kalimba_phrase_b:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=vel)
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# Bars 9-56: continues — the constant heartbeat
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for _ in range(24):
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for note, dur, vel in kalimba_phrase_a:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=vel)
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for note, dur, vel in kalimba_phrase_b:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=vel)
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# Bars 57-64: REPRISE — melody sings above everything
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kalimba.set(volume=0.55)
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kalimba_melody = [
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(D, Duration.QUARTER, 78), (E, Duration.EIGHTH, 72),
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(D, Duration.EIGHTH, 68), (B, Duration.HALF, 75),
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(A, Duration.QUARTER, 70), (G, Duration.EIGHTH, 65),
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(Fs, Duration.EIGHTH, 62), (G, Duration.HALF, 72),
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(B, Duration.QUARTER, 75), (D, Duration.QUARTER, 72),
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(E, Duration.HALF, 78),
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(D, Duration.QUARTER, 72), (B, Duration.QUARTER, 68),
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(A, Duration.QUARTER, 65), (G, Duration.QUARTER, 70),
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(G, Duration.WHOLE, 72),
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(None, Duration.WHOLE, 0),
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]
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for note, dur, vel in kalimba_melody:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=vel)
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# Bars 65-72: last one playing — fading
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kalimba.set(volume=0.4)
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for rep in range(4):
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off = rep * -12
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for note, dur, vel in kalimba_phrase_a:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=max(20, vel + off))
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for note, dur, vel in kalimba_phrase_b:
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if note is None:
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kalimba.rest(dur)
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else:
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kalimba.add(note, dur, velocity=max(20, vel + off))
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# ── VIBRAPHONE — jazz shimmer, enters bar 9 ──────────────────
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vib = score.part("vibraphone", instrument="vibraphone", volume=0.35,
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reverb=0.3, reverb_type="cathedral",
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delay=0.12, delay_time=0.556, delay_feedback=0.2,
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pan=0.25, humanize=0.08)
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for _ in range(8):
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vib.rest(Duration.WHOLE)
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# Bars 9-16: sustained chords — the motor wobble gives life
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for _ in range(2):
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for chord in prog:
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vib.add(chord, Duration.WHOLE, velocity=55)
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# Bars 17-40: continues — warm bed under everything
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for _ in range(6):
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for chord in prog:
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vib.add(chord, Duration.WHOLE, velocity=52)
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# Bars 41-48: arpeggiated — the factory speeds up
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vib_arp = [G, B, D, B, G, D.add(-12), B.add(-12), D.add(-12)]
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for _ in range(8):
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for note in vib_arp:
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vib.add(note, Duration.EIGHTH, velocity=60)
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# Bars 49-56: peak chords
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for _ in range(2):
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for chord in prog:
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vib.add(chord, Duration.WHOLE, velocity=62)
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# Bars 57-64: under kalimba melody
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for _ in range(2):
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for chord in prog:
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vib.add(chord, Duration.WHOLE, velocity=50)
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# Bars 65-72: fading
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for vel in [45, 40, 35, 30, 25, 18, 10, 0]:
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if vel > 0:
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vib.add(prog[0], Duration.WHOLE, velocity=vel)
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else:
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vib.rest(Duration.WHOLE)
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# ── CELESTA — ethereal, enters bar 17 ────────────────────────
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celesta = score.part("celesta", instrument="celesta", volume=0.3,
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reverb=0.35, reverb_type="taj_mahal",
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delay=0.15, delay_time=0.278, delay_feedback=0.25,
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pan=-0.3, humanize=0.08)
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for _ in range(16):
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celesta.rest(Duration.WHOLE)
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# Bars 17-24: high, sparkling countermelody
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celesta_phrase = [
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(None, Duration.QUARTER, 0),
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(D, Duration.EIGHTH, 62), (E, Duration.EIGHTH, 58),
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(None, Duration.QUARTER, 0),
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(B, Duration.EIGHTH, 60), (None, Duration.EIGHTH, 0),
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(None, Duration.QUARTER, 0),
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(E, Duration.EIGHTH, 62), (D, Duration.EIGHTH, 58),
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(B, Duration.EIGHTH, 55), (None, Duration.EIGHTH, 0),
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(None, Duration.QUARTER, 0),
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]
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for _ in range(8):
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for note, dur, vel in celesta_phrase:
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if note is None:
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celesta.rest(dur)
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else:
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celesta.add(note, dur, velocity=vel)
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# Bars 25-56: continues
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for _ in range(32):
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for note, dur, vel in celesta_phrase:
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if note is None:
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celesta.rest(dur)
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else:
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celesta.add(note, dur, velocity=vel)
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# Bars 57-72: fading
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for rep in range(8):
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off = rep * -6
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for note, dur, vel in celesta_phrase:
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if note is None:
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celesta.rest(dur)
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else:
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celesta.add(note, dur, velocity=max(15, vel + off))
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for _ in range(8):
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celesta.rest(Duration.WHOLE)
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# ── MARIMBA — warm wood, the bass, enters bar 25 ─────────────
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marimba = score.part("marimba", instrument="marimba", volume=0.4,
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reverb=0.2, reverb_decay=1.0,
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delay=0.08, delay_time=0.278, delay_feedback=0.1,
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pan=0.1, humanize=0.08)
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for _ in range(24):
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marimba.rest(Duration.WHOLE)
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# Bars 25-32: low register — the warm bass of the ensemble
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marimba_bass = [
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(G.add(-12), Duration.QUARTER, 72), (None, Duration.EIGHTH, 0),
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(G.add(-12), Duration.EIGHTH, 62), (B.add(-12), Duration.QUARTER, 68),
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(None, Duration.QUARTER, 0),
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(D, Duration.QUARTER, 65), (None, Duration.EIGHTH, 0),
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(B.add(-12), Duration.EIGHTH, 60), (G.add(-12), Duration.HALF, 70),
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]
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for _ in range(8):
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for note, dur, vel in marimba_bass:
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if note is None:
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marimba.rest(dur)
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else:
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marimba.add(note, dur, velocity=vel)
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# Bars 33-56: continues — the floor
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for _ in range(24):
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for note, dur, vel in marimba_bass:
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if note is None:
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marimba.rest(dur)
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else:
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marimba.add(note, dur, velocity=vel)
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# Bars 57-72: fading
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for rep in range(8):
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off = rep * -8
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for note, dur, vel in marimba_bass:
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if note is None:
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marimba.rest(dur)
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else:
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marimba.add(note, dur, velocity=max(20, vel + off))
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for _ in range(8):
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marimba.rest(Duration.WHOLE)
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# ── GLOCKENSPIEL — bright, cutting, enters bar 33 ────────────
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glock = score.part("glockenspiel", instrument="glockenspiel", volume=0.2,
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reverb=0.3, reverb_type="cathedral",
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delay=0.12, delay_time=0.139, delay_feedback=0.15,
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pan=-0.4, humanize=0.06)
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for _ in range(32):
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glock.rest(Duration.WHOLE)
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# Bars 33-40: high bright hits — sparse, like light catching metal
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glock_hits = [
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(D, Duration.QUARTER, 58), (None, Duration.DOTTED_HALF, 0),
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(None, Duration.HALF, 0), (E, Duration.QUARTER, 55),
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(None, Duration.QUARTER, 0),
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(B, Duration.QUARTER, 60), (None, Duration.DOTTED_HALF, 0),
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(None, Duration.WHOLE, 0),
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(D, Duration.QUARTER, 55), (None, Duration.QUARTER, 0),
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(G, Duration.QUARTER, 58), (None, Duration.QUARTER, 0),
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(None, Duration.WHOLE, 0),
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(None, Duration.HALF, 0), (Fs, Duration.QUARTER, 52),
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(None, Duration.QUARTER, 0),
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(None, Duration.WHOLE, 0),
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]
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for note, dur, vel in glock_hits:
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if note is None:
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glock.rest(dur)
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else:
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glock.add(note, dur, velocity=vel)
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# Bars 41-56: more active — 16th note runs
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glock_run = [G, A, B, D, B, A, G, Fs, G, B, D, E, D, B, A, G]
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for _ in range(4):
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for note in glock_run:
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glock.add(note, Duration.SIXTEENTH, velocity=55)
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for _ in range(4):
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for note, dur, vel in glock_hits:
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if note is None:
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glock.rest(dur)
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else:
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glock.add(note, dur, velocity=vel)
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for _ in range(4):
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for note in glock_run:
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glock.add(note, Duration.SIXTEENTH, velocity=58)
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# Bars 57-72: fading runs
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for _ in range(4):
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for note in glock_run:
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glock.add(note, Duration.SIXTEENTH, velocity=max(20, 48))
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for _ in range(12):
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glock.rest(Duration.WHOLE)
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# ── XYLOPHONE — bright wood, enters bar 49 ───────────────────
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xylo = score.part("xylophone", instrument="xylophone", volume=0.25,
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reverb=0.15, reverb_decay=0.6,
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delay=0.1, delay_time=0.139, delay_feedback=0.12,
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pan=0.35, humanize=0.06)
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for _ in range(48):
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xylo.rest(Duration.WHOLE)
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# Bars 49-56: rapid arps — woody brightness
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xylo_arp_a = [G, B, D, G, D, B, G, D]
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xylo_arp_b = [A, C, E, A, E, C, A, E]
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for _ in range(4):
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for note in xylo_arp_a:
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xylo.add(note, Duration.SIXTEENTH, velocity=65)
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for note in xylo_arp_b:
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xylo.add(note, Duration.SIXTEENTH, velocity=62)
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# Bars 57-64: continues under kalimba melody
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for _ in range(4):
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for note in xylo_arp_a:
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xylo.add(note, Duration.SIXTEENTH, velocity=58)
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for note in xylo_arp_b:
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xylo.add(note, Duration.SIXTEENTH, velocity=55)
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# Bars 65-72: fading
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for vel in [50, 42, 35, 28, 22, 15, 0, 0]:
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if vel > 0:
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for note in xylo_arp_a:
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xylo.add(note, Duration.SIXTEENTH, velocity=vel)
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for note in xylo_arp_b:
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xylo.add(note, Duration.SIXTEENTH, velocity=max(15, vel - 5))
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else:
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xylo.rest(Duration.WHOLE)
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# ── CROTALES — crystalline, enters bar 49 ─────────────────────
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crot = score.part("crotales", instrument="crotales", volume=0.18,
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reverb=0.35, reverb_type="taj_mahal",
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delay=0.15, delay_time=0.556, delay_feedback=0.2,
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pan=-0.35)
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for _ in range(48):
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crot.rest(Duration.WHOLE)
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# Bars 49-56: sparse strikes — like tiny church bells
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crot_map = {49: (D, 52), 51: (G, 48), 53: (B, 50), 55: (E, 45)}
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for bar in range(49, 73):
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if bar in crot_map:
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note, vel = crot_map[bar]
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crot.add(note, Duration.WHOLE, velocity=vel)
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elif bar > 56 and bar % 3 == 0:
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crot.add(D, Duration.WHOLE, velocity=max(20, 45 - (bar - 57) * 2))
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else:
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crot.rest(Duration.WHOLE)
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# ── TUBULAR BELLS — section markers ───────────────────────────
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bells = score.part("tubular_bells", instrument="tubular_bells", volume=0.2,
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reverb=0.4, reverb_type="cathedral",
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delay=0.15, delay_time=0.556, delay_feedback=0.15,
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pan=0.15)
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bell_bars = {1: 60, 9: 55, 17: 52, 25: 58, 33: 55, 41: 62, 49: 58, 57: 65}
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for bar in range(1, 73):
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if bar in bell_bars:
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bells.add(G.add(-12), Duration.WHOLE, velocity=bell_bars[bar])
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else:
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bells.rest(Duration.WHOLE)
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# ── TIMPANI — the low end, enters bar 25 ──────────────────────
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timp = score.part("timpani", instrument="timpani", volume=0.3,
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reverb=0.2, reverb_decay=1.0,
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delay=0.06, delay_time=0.278, delay_feedback=0.08,
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pan=0.05, humanize=0.06)
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for _ in range(24):
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timp.rest(Duration.WHOLE)
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# Bars 25-32: sparse — one hit per bar, like a grandfather clock
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for note, vel in [(G.add(-12), 68), (D.add(-12), 62),
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(G.add(-12), 65), (None, 0),
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(G.add(-12), 70), (B.add(-12), 60),
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(G.add(-12), 68), (D.add(-12), 62)]:
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if note is None:
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timp.rest(Duration.WHOLE)
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else:
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timp.add(note, Duration.QUARTER, velocity=vel)
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timp.rest(Duration.DOTTED_HALF)
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# Bars 33-48: more active — rhythmic pulse
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for _ in range(16):
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timp.add(G.add(-12), Duration.QUARTER, velocity=65)
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timp.rest(Duration.QUARTER)
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timp.add(D.add(-12), Duration.QUARTER, velocity=58)
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timp.rest(Duration.QUARTER)
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# Bars 49-56: peak — 8th note rolls
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for bar in range(8):
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if bar % 4 == 3:
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for i in range(16):
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timp.add(G.add(-12), Duration.SIXTEENTH, velocity=min(82, 48 + i * 2))
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else:
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timp.add(G.add(-12), Duration.QUARTER, velocity=68)
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timp.rest(Duration.QUARTER)
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timp.add(D.add(-12), Duration.QUARTER, velocity=60)
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timp.rest(Duration.QUARTER)
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# Bars 57-72: fading
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for vel in [58, 52, 45, 38, 32, 25, 18, 10, 0, 0, 0, 0, 0, 0, 0, 0]:
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if vel > 0:
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timp.add(G.add(-12), Duration.QUARTER, velocity=vel)
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timp.rest(Duration.DOTTED_HALF)
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else:
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timp.rest(Duration.WHOLE)
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# ═════════════════════════════════════════════════════════════════
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import sys
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print(f"Key: {key}")
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print(f"BPM: 108")
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print(f"Parts: {list(score.parts.keys())}")
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print(f"Duration: {score.duration_ms / 1000:.1f}s | {score.measures} measures")
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if "--live" in sys.argv:
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print("Playing MUSIC BOX FACTORY (live engine)...")
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from pytheory_live.live import LiveEngine
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engine = LiveEngine(buffer_size=1024)
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engine.play_score(score)
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else:
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print("Playing MUSIC BOX FACTORY...")
|
|
play_score(score)
|