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Add Intrusive (track 16) — invasive thoughts as a repeating synth phrase
Bb minor, 92 BPM. One saw synth phrase loops endlessly. Rhodes tries to play something else, drums try to drown it — fighting makes it louder. Acceptance at bar 33: stop fighting, sub bass enters as ground, cello warmth, the thought slows and passes. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -31,7 +31,8 @@ Each track is a `.py` file. Run it to hear it.
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12. **Gravity** — C minor, 88 BPM. Sparse piano stabs, 808 sub, boom bap drums with trap hat evolution. Rhodes melody, string swell. Tambura buried underneath, singing bowl bookends, one sitar bend in the breakdown. The weight of it all.
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13. **Sleight of Hand** — D minor, 100 BPM. Music box → didgeridoo → jazz piano → 808 drop → solo theremin → choir → acid 303 rips through the choir → music box returns over boom bap. You never see the next move coming.
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14. **An Exception Occurred** — Eb major→minor→major, 80 BPM. Piano-driven arc: stability → spiritual seeking (tambura, sitar, om chant) → psychosis (wild theremin, chaos drums) → despair → hymn (pipe organ) → recovery. Every note by hand.
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15. **Voices** — F# minor, 65 BPM. Five vocal parts multiplying from one to five, each panned differently, different vowels, different delay times. They overlap and overwhelm. Piano enters as reality. One last whisper, then silence.
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15. **Voices** — F# minor, 65 BPM. Five vocal parts multiplying across the stereo field. Piano enters as reality. One last whisper, then silence.
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16. **Intrusive** — Bb minor, 92 BPM. One saw synth phrase repeating. Rhodes tries to play something else. Drums try to drown it. It gets louder. Stop fighting — acceptance. The thought slows, spaces open, sub bass enters as ground. It passes.
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## Usage
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@@ -54,6 +54,7 @@ ALBUM_ORDER = [
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"sleight_of_hand.py",
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"an_exception_occurred.py",
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"voices.py",
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"intrusive.py",
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]
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@@ -0,0 +1,332 @@
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"""
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INTRUSIVE — the thought you can't stop thinking.
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One phrase. Over and over. You try to play something else.
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It comes back. It always comes back.
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Until you learn to let it pass.
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Bb minor, 92 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("Bb", "minor")
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s = key.scale # Bb C Db Eb F Gb Ab
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Bb = s[0]; C = s[1]; Db = s[2]; Eb = s[3]
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F = s[4]; Gb = s[5]; Ab = s[6]
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score = Score("4/4", bpm=92)
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# ═══════════════════════════════════════════════════════════════════
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# STRUCTURE (56 bars, ~2:26):
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# Bars 1-8: THE THOUGHT — one piano phrase, repeating
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# Bars 9-16: TRYING — Rhodes plays something different. The thought returns.
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# Bars 17-24: FIGHTING — drums try to drown it. The thought is louder.
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# Bars 25-32: SPIRALING — the thought fragments, multiplies, distorts
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# Bars 33-40: ACCEPTING — stop fighting. Let it play. Something changes.
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# Bars 41-48: RELEASING — the thought slows down. Spaces between.
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# Bars 49-56: PASSING — it plays once more. Quiet. And doesn't come back.
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# ═══════════════════════════════════════════════════════════════════
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# The intrusive thought — this exact phrase, burned into your brain
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THOUGHT = [
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(Bb, Duration.EIGHTH, 72), (Db, Duration.EIGHTH, 68),
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(F, Duration.QUARTER, 75), (Eb, Duration.EIGHTH, 65),
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(Db, Duration.EIGHTH, 62), (Bb, Duration.QUARTER, 70),
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]
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def play_thought(part, vel_offset=0, rest_after=Duration.WHOLE):
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"""The thought. Always the same. Always unwanted."""
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for note, dur, vel in THOUGHT:
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part.add(note, dur, velocity=min(127, max(15, vel + vel_offset)))
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part.rest(rest_after)
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# ── THE THOUGHT — piano, the thing you can't unthink ──────────
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thought = score.part("thought", synth="saw", volume=0.4,
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lowpass=3000, distortion=0.1, distortion_drive=1.5,
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saturation=0.4, legato=True, glide=0.03,
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reverb=0.25, reverb_type="spring",
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delay=0.12, delay_time=0.326, delay_feedback=0.15,
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pan=-0.1, humanize=0.06)
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# Bars 1-8: repeating. and repeating. and repeating.
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for _ in range(4):
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play_thought(thought)
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# Bars 9-12: it keeps going while Rhodes tries
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for _ in range(2):
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play_thought(thought)
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# Bars 13-16: louder — you noticed it and now it's worse
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for _ in range(2):
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play_thought(thought, vel_offset=8)
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# Bars 17-20: drums enter, thought persists
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for _ in range(2):
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play_thought(thought, vel_offset=5)
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# Bars 21-24: even louder — fighting it makes it stronger
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thought.set(volume=0.6)
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for _ in range(2):
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play_thought(thought, vel_offset=12)
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# Bars 25-28: SPIRALING — the thought starts fragmenting, distorting
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thought.set(volume=0.55, reverb=0.5)
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# Fragment 1: just the first three notes, repeated
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for _ in range(3):
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thought.add(Bb, Duration.EIGHTH, velocity=78)
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thought.add(Db, Duration.EIGHTH, velocity=72)
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thought.add(F, Duration.QUARTER, velocity=80)
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thought.rest(Duration.QUARTER)
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# Fragment 2: the ending, wrong rhythm
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thought.add(Eb, Duration.SIXTEENTH, velocity=70)
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thought.add(Db, Duration.SIXTEENTH, velocity=65)
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thought.add(Bb, Duration.EIGHTH, velocity=72)
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thought.rest(Duration.HALF)
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thought.add(Eb, Duration.SIXTEENTH, velocity=72)
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thought.add(Db, Duration.SIXTEENTH, velocity=68)
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thought.add(Bb, Duration.EIGHTH, velocity=75)
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thought.rest(Duration.QUARTER)
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thought.add(F, Duration.QUARTER, velocity=78)
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# Bars 29-32: the thought in wrong octaves, displaced
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thought.add(Bb.add(12), Duration.EIGHTH, velocity=75)
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thought.add(Db.add(12), Duration.EIGHTH, velocity=70)
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thought.add(F.add(12), Duration.QUARTER, velocity=78)
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thought.add(Eb, Duration.EIGHTH, velocity=62)
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thought.add(Db, Duration.EIGHTH, velocity=58)
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thought.add(Bb.add(-12), Duration.QUARTER, velocity=68)
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thought.rest(Duration.HALF)
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# Overlapping — like it's echoing inside your skull
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thought.add(Bb, Duration.EIGHTH, velocity=70)
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thought.add(Db, Duration.EIGHTH, velocity=65)
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thought.add(F, Duration.QUARTER, velocity=72)
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thought.add(Bb.add(12), Duration.EIGHTH, velocity=68)
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thought.add(Db.add(12), Duration.EIGHTH, velocity=62)
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thought.add(F, Duration.QUARTER, velocity=70)
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thought.rest(Duration.WHOLE)
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# Bars 33-40: ACCEPTING — stop fighting. The thought plays but softer.
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thought.set(volume=0.4, reverb=0.3)
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for _ in range(2):
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play_thought(thought, vel_offset=-5)
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# Slower now — gaps between repetitions
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play_thought(thought, vel_offset=-10, rest_after=Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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play_thought(thought, vel_offset=-15, rest_after=Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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# Bars 41-48: RELEASING — more space, softer each time
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thought.set(volume=0.3)
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play_thought(thought, vel_offset=-20, rest_after=Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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play_thought(thought, vel_offset=-28, rest_after=Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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thought.rest(Duration.WHOLE)
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# Bars 49-52: PASSING — one last time. Barely there.
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thought.set(volume=0.2)
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play_thought(thought, vel_offset=-40, rest_after=Duration.WHOLE)
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# Bars 53-56: silence. it passed.
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for _ in range(4):
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thought.rest(Duration.WHOLE)
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# ── RHODES — what you're trying to think instead ──────────────
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rhodes = score.part("rhodes", instrument="electric_piano", volume=0.35,
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reverb=0.45, reverb_type="taj_mahal",
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delay=0.12, delay_time=0.326, delay_feedback=0.15,
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tremolo_depth=0.1, tremolo_rate=2.5,
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pan=0.2, humanize=0.1)
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for _ in range(8):
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rhodes.rest(Duration.WHOLE)
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# Bars 9-12: tries to play its own melody — interrupted
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rhodes.add(Db, Duration.QUARTER, velocity=60)
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rhodes.add(Eb, Duration.QUARTER, velocity=55)
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rhodes.add(F, Duration.HALF, velocity=62)
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# interrupted — rest while thought plays
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rhodes.rest(Duration.WHOLE)
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rhodes.add(Ab, Duration.QUARTER, velocity=58)
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rhodes.add(Gb, Duration.QUARTER, velocity=55)
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rhodes.add(F, Duration.HALF, velocity=60)
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rhodes.rest(Duration.WHOLE)
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# Bars 13-16: tries again — longer phrases
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rhodes.add(Db, Duration.QUARTER, velocity=62)
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rhodes.add(Eb, Duration.QUARTER, velocity=58)
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rhodes.add(F, Duration.QUARTER, velocity=65)
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rhodes.add(Ab, Duration.QUARTER, velocity=60)
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rhodes.add(Gb, Duration.HALF, velocity=62)
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rhodes.add(F, Duration.HALF, velocity=58)
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rhodes.rest(Duration.WHOLE)
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rhodes.rest(Duration.WHOLE)
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# Bars 17-24: keeps trying through the drums
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for _ in range(2):
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rhodes.add(Db, Duration.QUARTER, velocity=58)
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rhodes.add(Eb, Duration.QUARTER, velocity=55)
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rhodes.add(F, Duration.HALF, velocity=60)
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rhodes.add(Ab, Duration.QUARTER, velocity=55)
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rhodes.add(Gb, Duration.EIGHTH, velocity=50)
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rhodes.add(F, Duration.EIGHTH, velocity=48)
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rhodes.add(Eb, Duration.HALF, velocity=55)
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rhodes.rest(Duration.WHOLE)
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rhodes.rest(Duration.WHOLE)
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# Bars 25-32: gives up — sparse, defeated
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for _ in range(4):
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rhodes.add(Db, Duration.QUARTER, velocity=45)
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rhodes.rest(Duration.DOTTED_HALF)
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rhodes.rest(Duration.WHOLE)
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# Bars 33-40: acceptance — Rhodes and thought coexist
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rhodes.set(volume=0.4)
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prog_chords = key.progression("i", "VI", "iv", "v")
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for _ in range(2):
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for chord in prog_chords:
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rhodes.add(chord, Duration.WHOLE, velocity=52)
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# Bars 41-48: Rhodes grows — it's winning, gently
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rhodes.set(volume=0.5)
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rhodes.add(Db, Duration.QUARTER, velocity=65)
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rhodes.add(Eb, Duration.QUARTER, velocity=60)
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rhodes.add(F, Duration.HALF, velocity=68)
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rhodes.add(Ab, Duration.QUARTER, velocity=62)
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rhodes.add(Gb, Duration.EIGHTH, velocity=58)
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rhodes.add(F, Duration.EIGHTH, velocity=55)
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rhodes.add(Eb, Duration.HALF, velocity=60)
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rhodes.rest(Duration.QUARTER)
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rhodes.add(Bb.add(-12), Duration.QUARTER, velocity=55)
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rhodes.add(Db, Duration.QUARTER, velocity=60)
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rhodes.add(F, Duration.QUARTER, velocity=58)
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rhodes.add(Ab, Duration.HALF, velocity=65)
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rhodes.add(Gb, Duration.HALF, velocity=60)
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rhodes.add(F, Duration.WHOLE, velocity=62)
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rhodes.rest(Duration.WHOLE)
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# Bars 49-56: Rhodes owns the space now — peaceful
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rhodes.add(Db, Duration.QUARTER, velocity=62)
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rhodes.add(Eb, Duration.QUARTER, velocity=58)
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rhodes.add(F, Duration.HALF, velocity=65)
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rhodes.add(Eb, Duration.QUARTER, velocity=58)
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rhodes.add(Db, Duration.QUARTER, velocity=55)
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rhodes.add(Bb.add(-12), Duration.HALF, velocity=60)
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rhodes.add(Bb.add(-12), Duration.WHOLE, velocity=55)
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for _ in range(5):
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rhodes.rest(Duration.WHOLE)
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# ── DRUMS — trying to drown the thought, bars 17-32 ──────────
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K = DrumSound.KICK
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S = DrumSound.SNARE
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CH = DrumSound.CLOSED_HAT
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drums = score.part("drums", volume=0.35, humanize=0.06,
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reverb=0.2, reverb_decay=0.8,
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delay=0.08, delay_time=0.326, delay_feedback=0.12,
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pan=-0.05)
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for _ in range(16):
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drums.rest(Duration.WHOLE)
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# Bars 17-24: trying to overpower it
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for _ in range(8):
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drums.hit(K, Duration.QUARTER, velocity=90)
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drums.hit(CH, Duration.EIGHTH, velocity=55)
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drums.hit(CH, Duration.EIGHTH, velocity=42)
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drums.hit(S, Duration.QUARTER, velocity=88)
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drums.hit(CH, Duration.EIGHTH, velocity=50)
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drums.hit(K, Duration.EIGHTH, velocity=78)
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# Bars 25-32: drums get frantic — can't overpower it
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for bar in range(8):
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if bar % 4 == 3:
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# Frustrated fill
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for i in range(8):
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drums.hit(S, Duration.SIXTEENTH, velocity=min(100, 60 + i * 5))
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drums.hit(K, Duration.HALF, velocity=95)
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else:
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drums.hit(K, Duration.QUARTER, velocity=95)
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drums.hit(CH, Duration.SIXTEENTH, velocity=58)
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drums.hit(CH, Duration.SIXTEENTH, velocity=42)
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drums.hit(CH, Duration.EIGHTH, velocity=50)
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drums.hit(S, Duration.QUARTER, velocity=92)
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drums.hit(CH, Duration.EIGHTH, velocity=48)
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drums.hit(K, Duration.EIGHTH, velocity=82)
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# Bars 33-40: drums soften — stop fighting
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for vel in [75, 68, 60, 52, 45, 38, 30, 22]:
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drums.hit(K, Duration.QUARTER, velocity=vel)
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drums.rest(Duration.QUARTER)
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drums.hit(S, Duration.QUARTER, velocity=max(15, vel - 8))
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drums.rest(Duration.QUARTER)
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# Bars 41-56: gone — no need to fight anymore
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for _ in range(16):
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drums.rest(Duration.WHOLE)
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# ── CELLO — enters at acceptance, warmth ───────────────────────
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cello = score.part("cello", instrument="cello", volume=0.15,
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reverb=0.4, reverb_type="cathedral",
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delay=0.08, delay_time=0.326, delay_feedback=0.1,
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pan=0.25, humanize=0.08)
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for _ in range(32):
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cello.rest(Duration.WHOLE)
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# Bars 33-48: long tones — acceptance has weight
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for note, vel in [(Bb.add(-12), 38), (Bb.add(-12), 42),
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(Db, 40), (Eb, 42),
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(F, 45), (Eb, 42),
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(Db, 40), (Bb.add(-12), 45),
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(Bb.add(-12), 48), (Db, 45),
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(F, 48), (Eb, 45),
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(Db, 42), (Bb.add(-12), 48),
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(Bb.add(-12), 42), (Bb.add(-12), 35)]:
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cello.add(note, Duration.WHOLE, velocity=vel)
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# Bars 49-56: fading
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for vel in [32, 25, 18, 12, 8, 0, 0, 0]:
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if vel > 0:
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cello.add(Bb.add(-12), Duration.WHOLE, velocity=vel)
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else:
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cello.rest(Duration.WHOLE)
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# ── SUB — the weight of acceptance, bars 33 onward ────────────
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sub = score.part("sub", synth="sine", envelope="pad", volume=0.6,
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lowpass=180, distortion=0.15, distortion_drive=2.5,
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sub_osc=0.5, sidechain=0.3)
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for _ in range(32):
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sub.rest(Duration.WHOLE)
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# Bars 33-48: enters with acceptance — the ground beneath you
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roots = [Bb.add(-24), Gb.add(-24), Eb.add(-24), F.add(-24)]
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for _ in range(4):
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for root in roots:
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sub.add(root, Duration.WHOLE, velocity=35)
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# Bars 49-56: one long Bb — settling
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for vel in [35, 32, 28, 25, 20, 15, 10, 5]:
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sub.add(Bb.add(-24), Duration.WHOLE, velocity=vel)
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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: 92")
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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 INTRUSIVE (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 INTRUSIVE...")
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play_score(score)
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