mirror of
https://github.com/kennethreitz/interpretations.git
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kennethreitz
a9b356f5cc
Silk Road: mellotron_flute in finale. The Dialogue: drift pad, mellotron ending. Acid Reign: wavefold in breakdown. Chakra: drift at crown. Raga Midnight: mellotron_strings over 808 drop. The Temple: granular_pad texture. Sleight of Hand: mellotron_choir. Gravity: drift tambura. Ghost Protocol: NES pulled back. An Exception: psycho bass 0.3. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
400 lines
17 KiB
Python
400 lines
17 KiB
Python
"""
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SILK ROAD — a caravan picking up musicians along the ancient trade route.
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Each civilization layers on top, nobody leaves. D minor throughout.
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China → India → Persia → Mediterranean → All Together
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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("D", "minor")
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s = key.scale
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# D minor: D E F G A Bb C
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D = s[0]; E = s[1]; F = s[2]; G = s[3]
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A = s[4]; Bb = s[5]; C = s[6]
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score = Score("4/4", bpm=95)
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def play_phrase(part, phrase, vel_offset=0):
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"""Play a phrase — list of (note, duration, velocity) tuples."""
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for note, dur, vel in phrase:
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if note is None:
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part.rest(dur)
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else:
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part.add(note, dur, velocity=min(127, max(20, vel + vel_offset)))
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def play_phrases(part, phrases, reps=1, vel_offset=0):
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"""Play a list of phrases, repeated."""
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for _ in range(reps):
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for phrase in phrases:
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play_phrase(part, phrase, vel_offset)
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# ═══════════════════════════════════════════════════════════════════
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# STRUCTURE (80 bars, ~5 min):
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# Bars 1-16: China — koto solo, pentatonic
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# Bars 17-32: India — sitar + tabla join the koto
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# Bars 33-48: Persia — mandolin (oud) + doumbek layer in
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# Bars 49-64: Mediterranean — guitar + cajon, flamenco tinge
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# Bars 65-80: All Together — full caravan, everyone plays
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# ═══════════════════════════════════════════════════════════════════
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# ── KOTO — China, pentatonic, sparse ───────────────────────────
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# D minor pentatonic: D F G A C (removes E and Bb)
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koto = score.part("koto", instrument="koto", volume=0.4,
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reverb=0.15, reverb_type="taj_mahal",
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delay=0.08, delay_time=0.316, delay_feedback=0.1,
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pan=-0.45, humanize=0.1)
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# Bars 1-16: solo koto — starts intimate, reverb grows
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koto_phrases = [
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# Phrase 1: simple, announcing
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[(D.add(12), Duration.HALF, 80), (None, Duration.QUARTER, 0),
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(A, Duration.QUARTER, 70)],
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[(G, Duration.QUARTER, 75), (F, Duration.QUARTER, 68),
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(D, Duration.HALF, 72)],
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# Phrase 2: climbing
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[(None, Duration.QUARTER, 0), (A, Duration.QUARTER, 75),
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(C.add(12), Duration.QUARTER, 82), (D.add(12), Duration.QUARTER, 78)],
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[(F.add(12), Duration.HALF, 85), (D.add(12), Duration.QUARTER, 75),
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(None, Duration.QUARTER, 0)],
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# Phrase 3: descending
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[(D.add(12), Duration.QUARTER, 80), (C.add(12), Duration.EIGHTH, 72),
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(A, Duration.EIGHTH, 68), (G, Duration.HALF, 75)],
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[(F, Duration.QUARTER, 70), (D, Duration.QUARTER, 65),
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(None, Duration.HALF, 0)],
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# Phrase 4: resolving
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[(A, Duration.QUARTER, 78), (G, Duration.EIGHTH, 70),
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(F, Duration.EIGHTH, 65), (G, Duration.QUARTER, 72),
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(A, Duration.QUARTER, 75)],
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[(D, Duration.WHOLE, 80)],
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]
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# First pass: dry, intimate, close
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play_phrases(koto, koto_phrases, reps=1)
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# Second pass: reverb creeping in
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koto.set(reverb=0.15, reverb_type="taj_mahal", delay=0.1, delay_time=0.316, delay_feedback=0.15)
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play_phrases(koto, koto_phrases, reps=1)
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# Bars 17-80: koto continues, reverb grows as the caravan fills
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koto.set(reverb=0.3, delay=0.2, delay_feedback=0.25)
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play_phrases(koto, koto_phrases, reps=2, vel_offset=-15)
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koto.set(reverb=0.45, delay=0.3, delay_feedback=0.35)
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play_phrases(koto, koto_phrases, reps=2, vel_offset=-20)
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koto.set(reverb=0.55, delay=0.3, delay_feedback=0.4)
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play_phrases(koto, koto_phrases, reps=4, vel_offset=-25)
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# ── SITAR — India, enters bar 17 ───────────────────────────────
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sitar = score.part("sitar", instrument="sitar", volume=0.5,
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reverb=0.35, reverb_type="taj_mahal",
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delay=0.2, delay_time=0.333, delay_feedback=0.3,
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pan=-0.3, humanize=0.1)
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# Bars 1-16: silent
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for _ in range(16):
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sitar.rest(Duration.WHOLE)
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# Bars 17-32: sitar melody — raga-influenced, ornamental
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sitar_phrases = [
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[(D, Duration.HALF, 85), (E, Duration.QUARTER, 75),
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(F, Duration.QUARTER, 80)],
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[(G, Duration.QUARTER, 85), (A, Duration.EIGHTH, 78),
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(G, Duration.EIGHTH, 72), (F, Duration.HALF, 80)],
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[(A, Duration.QUARTER, 90), (Bb, Duration.EIGHTH, 82),
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(A, Duration.EIGHTH, 78), (G, Duration.QUARTER, 75),
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(F, Duration.QUARTER, 70)],
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[(E, Duration.QUARTER, 72), (D, Duration.DOTTED_HALF, 85)],
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]
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play_phrases(sitar, sitar_phrases, reps=4)
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# Bars 33-80: sitar continues through all sections
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play_phrases(sitar, sitar_phrases, reps=12)
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# ── TABLA — India, enters bar 17 ───────────────────────────────
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NA = DrumSound.TABLA_NA
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TIT = DrumSound.TABLA_TIT
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GE = DrumSound.TABLA_GE
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tDHA = DrumSound.TABLA_DHA
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GEB = DrumSound.TABLA_GE_BEND
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tabla = score.part("tabla", volume=0.3, reverb=0.3, reverb_type="cathedral",
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reverb_decay=1.5, pan=-0.15, humanize=0.08)
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for _ in range(16):
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tabla.rest(Duration.WHOLE)
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# Bars 17-80: keherwa groove — gets louder as the caravan grows
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# Bars 17-32: India section — gentle
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tabla.set(volume=0.2)
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for bar in range(16):
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if bar % 8 == 7:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=95, articulation="accent")
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tabla.hit(GEB, Duration.EIGHTH, velocity=108)
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tabla.hit(NA, Duration.EIGHTH, velocity=72)
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tabla.hit(GEB, Duration.EIGHTH, velocity=105)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=90, articulation="accent")
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tabla.hit(NA, Duration.SIXTEENTH, velocity=62)
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tabla.hit(TIT, Duration.SIXTEENTH, velocity=52)
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tabla.hit(GEB, Duration.QUARTER, velocity=112)
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else:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=85, articulation="accent")
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tabla.hit(GE, Duration.EIGHTH, velocity=55)
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tabla.hit(NA, Duration.EIGHTH, velocity=65)
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tabla.hit(TIT, Duration.EIGHTH, velocity=42)
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tabla.hit(NA, Duration.EIGHTH, velocity=60)
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tabla.hit(TIT, Duration.EIGHTH, velocity=38)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=80, articulation="accent")
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tabla.hit(NA, Duration.EIGHTH, velocity=58)
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# Bars 33-48: Persia joins — fuller
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tabla.set(volume=0.3)
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for bar in range(16):
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if bar % 8 == 7:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=100, articulation="accent")
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tabla.hit(GEB, Duration.EIGHTH, velocity=112)
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tabla.hit(NA, Duration.EIGHTH, velocity=78)
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tabla.hit(GEB, Duration.EIGHTH, velocity=110)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=95, articulation="accent")
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tabla.hit(NA, Duration.SIXTEENTH, velocity=68)
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tabla.hit(TIT, Duration.SIXTEENTH, velocity=55)
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tabla.hit(GEB, Duration.QUARTER, velocity=118)
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else:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=90, articulation="accent")
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tabla.hit(GE, Duration.EIGHTH, velocity=60)
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tabla.hit(NA, Duration.EIGHTH, velocity=70)
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tabla.hit(TIT, Duration.EIGHTH, velocity=48)
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tabla.hit(NA, Duration.EIGHTH, velocity=65)
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tabla.hit(TIT, Duration.EIGHTH, velocity=42)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=85, articulation="accent")
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tabla.hit(NA, Duration.EIGHTH, velocity=62)
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# Bars 49-64: Mediterranean joins — confident
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tabla.set(volume=0.38)
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for bar in range(16):
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if bar % 8 == 7:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=105, articulation="accent")
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tabla.hit(GEB, Duration.EIGHTH, velocity=115)
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tabla.hit(NA, Duration.EIGHTH, velocity=82)
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tabla.hit(GEB, Duration.EIGHTH, velocity=112)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=100, articulation="accent")
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tabla.hit(NA, Duration.SIXTEENTH, velocity=72)
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tabla.hit(TIT, Duration.SIXTEENTH, velocity=58)
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tabla.hit(GEB, Duration.QUARTER, velocity=120)
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else:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=95, articulation="accent")
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tabla.hit(GE, Duration.EIGHTH, velocity=65)
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tabla.hit(NA, Duration.EIGHTH, velocity=75)
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tabla.hit(TIT, Duration.EIGHTH, velocity=52)
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tabla.hit(NA, Duration.EIGHTH, velocity=70)
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tabla.hit(TIT, Duration.EIGHTH, velocity=45)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=90, articulation="accent")
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tabla.hit(NA, Duration.EIGHTH, velocity=68)
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# Bars 65-80: all together — full power
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tabla.set(volume=0.45)
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for bar in range(16):
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if bar % 8 == 7:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=110, articulation="accent")
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tabla.hit(GEB, Duration.EIGHTH, velocity=118)
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tabla.hit(NA, Duration.EIGHTH, velocity=85)
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tabla.hit(GEB, Duration.EIGHTH, velocity=115)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=105, articulation="accent")
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tabla.hit(NA, Duration.SIXTEENTH, velocity=75)
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tabla.hit(TIT, Duration.SIXTEENTH, velocity=62)
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tabla.hit(GEB, Duration.QUARTER, velocity=122)
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else:
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tabla.hit(tDHA, Duration.EIGHTH, velocity=100, articulation="accent")
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tabla.hit(GE, Duration.EIGHTH, velocity=70)
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tabla.hit(NA, Duration.EIGHTH, velocity=80)
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tabla.hit(TIT, Duration.EIGHTH, velocity=55)
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tabla.hit(NA, Duration.EIGHTH, velocity=75)
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tabla.hit(TIT, Duration.EIGHTH, velocity=48)
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tabla.hit(tDHA, Duration.EIGHTH, velocity=95, articulation="accent")
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tabla.hit(NA, Duration.EIGHTH, velocity=72)
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# ── MANDOLIN (oud) — Persia, enters bar 33 ─────────────────────
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oud = score.part("oud", instrument="mandolin", volume=0.4,
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reverb=0.45, reverb_type="cathedral",
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delay=0.3, delay_time=0.316, delay_feedback=0.35,
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pan=0.15, humanize=0.08)
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for _ in range(32):
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oud.rest(Duration.WHOLE)
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# Bars 33-80: maqam-influenced melody — chromatic ornaments
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oud_phrases = [
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# Descending maqam feel
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[(A, Duration.EIGHTH, 88), (Bb, Duration.EIGHTH, 78),
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(A, Duration.QUARTER, 85), (G, Duration.QUARTER, 80),
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(F, Duration.QUARTER, 75)],
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[(E, Duration.EIGHTH, 72), (F, Duration.EIGHTH, 68),
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(E, Duration.QUARTER, 75), (D, Duration.HALF, 82)],
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# Climbing with ornaments
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[(D, Duration.EIGHTH, 80), (E, Duration.SIXTEENTH, 70),
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(F, Duration.SIXTEENTH, 72), (G, Duration.QUARTER, 82),
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(A, Duration.QUARTER, 88), (None, Duration.QUARTER, 0)],
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[(Bb, Duration.QUARTER, 85), (A, Duration.EIGHTH, 78),
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(G, Duration.EIGHTH, 72), (A, Duration.HALF, 80)],
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]
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play_phrases(oud, oud_phrases, reps=12)
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# ── DOUMBEK — Persia, enters bar 33 ────────────────────────────
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DKD = DrumSound.DOUMBEK_DUM
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DKT = DrumSound.DOUMBEK_TEK
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DKK = DrumSound.DOUMBEK_KA
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doumbek = score.part("doumbek", volume=0.3, reverb=0.2, reverb_decay=1.0,
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pan=0.2, humanize=0.06)
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for _ in range(32):
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doumbek.rest(Duration.WHOLE)
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# Bars 33-80: maqsoum-inspired rhythm
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for bar in range(48):
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if bar % 8 == 7:
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# Fill
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doumbek.hit(DKD, Duration.SIXTEENTH, velocity=100, articulation="accent")
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=65)
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=62)
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doumbek.hit(DKD, Duration.SIXTEENTH, velocity=95)
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=68)
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doumbek.hit(DKK, Duration.SIXTEENTH, velocity=58)
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doumbek.hit(DKD, Duration.SIXTEENTH, velocity=100, articulation="accent")
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=65)
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=60)
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doumbek.hit(DKK, Duration.SIXTEENTH, velocity=55)
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doumbek.hit(DKD, Duration.SIXTEENTH, velocity=98)
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doumbek.hit(DKT, Duration.SIXTEENTH, velocity=62)
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doumbek.hit(DKD, Duration.QUARTER, velocity=110, articulation="marcato")
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else:
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# Maqsoum: DUM-tek-tek-DUM-tek
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doumbek.hit(DKD, Duration.EIGHTH, velocity=90)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=60)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=58)
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doumbek.hit(DKD, Duration.EIGHTH, velocity=85)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=62)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=55)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=58)
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doumbek.hit(DKT, Duration.EIGHTH, velocity=52)
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# ── GUITAR — Mediterranean, enters bar 49 ──────────────────────
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guitar = score.part("guitar", instrument="acoustic_guitar", volume=0.35,
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reverb=0.4, reverb_type="cathedral",
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delay=0.2, delay_time=0.316, delay_feedback=0.25,
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pan=0.35, humanize=0.1)
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for _ in range(48):
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guitar.rest(Duration.WHOLE)
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# Bars 49-80: fingerpicked arpeggios — flamenco-tinged
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prog = key.progression("i", "VII", "VI", "v")
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guitar_arps = [
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# i — Dm
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[D.add(-12), A.add(-12), D, F, A, F, D, A.add(-12)],
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# VII — C
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[C.add(-12), G.add(-12), C, E, G, E, C, G.add(-12)],
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# VI — Bb
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[Bb.add(-24), F.add(-12), Bb.add(-12), D, F, D, Bb.add(-12), F.add(-12)],
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# v — Am
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[A.add(-24), E.add(-12), A.add(-12), C, E, C, A.add(-12), E.add(-12)],
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]
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for _ in range(8):
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for arp in guitar_arps:
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for note in arp:
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guitar.add(note, Duration.EIGHTH, velocity=75)
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# ── CAJON — Mediterranean, enters bar 49 ────────────────────────
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CS = DrumSound.CAJON_SLAP
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CT = DrumSound.CAJON_TAP
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CSS = DrumSound.CAJON_SLAP_SNARE
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cajon = score.part("cajon", volume=0.25, reverb=0.15, reverb_decay=0.6,
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pan=0.4, humanize=0.08)
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for _ in range(48):
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cajon.rest(Duration.WHOLE)
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# Bars 49-80: flamenco-ish groove
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for bar in range(32):
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if bar % 4 == 3:
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# Fill
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cajon.hit(CSS, Duration.SIXTEENTH, velocity=100, articulation="accent")
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cajon.hit(CT, Duration.SIXTEENTH, velocity=55)
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cajon.hit(CSS, Duration.SIXTEENTH, velocity=98)
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cajon.hit(CT, Duration.SIXTEENTH, velocity=52)
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cajon.hit(CSS, Duration.SIXTEENTH, velocity=102, articulation="accent")
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cajon.hit(CT, Duration.SIXTEENTH, velocity=55)
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cajon.hit(CS, Duration.SIXTEENTH, velocity=95)
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cajon.hit(CT, Duration.SIXTEENTH, velocity=50)
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cajon.hit(CSS, Duration.SIXTEENTH, velocity=105, articulation="accent")
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cajon.hit(CT, Duration.SIXTEENTH, velocity=55)
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cajon.hit(CS, Duration.SIXTEENTH, velocity=92)
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cajon.hit(CT, Duration.SIXTEENTH, velocity=52)
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cajon.hit(CSS, Duration.QUARTER, velocity=110, articulation="marcato")
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else:
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cajon.hit(CS, Duration.EIGHTH, velocity=88, articulation="accent")
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cajon.hit(CT, Duration.EIGHTH, velocity=48)
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cajon.hit(CSS, Duration.EIGHTH, velocity=82)
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cajon.hit(CT, Duration.EIGHTH, velocity=45)
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cajon.hit(CS, Duration.EIGHTH, velocity=85, articulation="accent")
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cajon.hit(CT, Duration.EIGHTH, velocity=50)
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cajon.hit(CSS, Duration.EIGHTH, velocity=78)
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cajon.hit(CT, Duration.EIGHTH, velocity=45)
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# ── TAMBURA — the thread connecting everything ──────────────────
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tambura = score.part("tambura", synth="sine", envelope="pad", volume=0.18,
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reverb=0.8, reverb_type="taj_mahal",
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chorus=0.4, chorus_rate=0.06, chorus_depth=0.012,
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lowpass=1000, sub_osc=0.3)
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for _ in range(80):
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tambura.add(D.add(-24), Duration.HALF)
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tambura.add(A.add(-24), Duration.HALF)
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# ── PAD — swells in the last section ───────────────────────────
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pad = score.part("pad", synth="supersaw", envelope="pad", volume=0.1,
|
|
reverb=0.6, reverb_type="taj_mahal",
|
|
chorus=0.4, chorus_rate=0.2, chorus_depth=0.008,
|
|
lowpass=1800)
|
|
|
|
for _ in range(64):
|
|
pad.rest(Duration.WHOLE)
|
|
|
|
# Bars 65-80: all together, pad glues it
|
|
for _ in range(4):
|
|
for chord in prog:
|
|
pad.add(chord, Duration.WHOLE, velocity=60)
|
|
|
|
# ── MELLOTRON — ghostly flute layer in the finale ──────────────
|
|
mello = score.part("mellotron", instrument="mellotron_flute", volume=0.15,
|
|
reverb=0.3, reverb_type="taj_mahal",
|
|
pan=0.1, humanize=0.08)
|
|
|
|
for _ in range(64):
|
|
mello.rest(Duration.WHOLE)
|
|
|
|
# Bars 65-80: plays the progression as whole notes
|
|
for _ in range(4):
|
|
for chord in prog:
|
|
mello.add(chord, Duration.WHOLE, velocity=48)
|
|
|
|
# ═════════════════════════════════════════════════════════════════
|
|
import sys
|
|
|
|
print(f"Key: {key}")
|
|
print(f"BPM: 95")
|
|
print(f"Parts: {list(score.parts.keys())}")
|
|
print(f"Duration: {score.duration_ms / 1000:.1f}s | {score.measures} measures")
|
|
|
|
if "--live" in sys.argv:
|
|
print("Playing SILK ROAD (live engine)...")
|
|
from pytheory_live.live import LiveEngine
|
|
engine = LiveEngine(buffer_size=1024)
|
|
engine.play_score(score)
|
|
else:
|
|
print("Playing SILK ROAD...")
|
|
play_score(score)
|