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Acid Reign: cajon replaces djembe, 808 sub at 1.0

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Cajon groove: slap-tap-tap-snare pattern with fills every 4 bars.
Snare slap fills building into marcato. Organic, woody, fits the acid.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kenneth Reitz
2026-03-30 13:01:35 -04:00
parent 7eae7854f5
commit 79c0d6164e
1 changed files with 50 additions and 49 deletions
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tracks/acid_reign.py
+50 -49
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@@ -193,66 +193,67 @@ for bar in range(8):
hats.hit(CH, Duration.SIXTEENTH, velocity=max(12, vel - 15))
hats.hit(CH, Duration.SIXTEENTH, velocity=max(12, vel - 30))
# ── DHOL — enters halfway, heavy and driving ────────────────────
DB = DrumSound.DHOL_BOTH
DD = DrumSound.DHOL_DAGGA
DT = DrumSound.DHOL_TILLI
# ── CAJON — enters halfway, organic groove ──────────────────────
CS = DrumSound.CAJON_SLAP
CT = DrumSound.CAJON_TAP
CSS = DrumSound.CAJON_SLAP_SNARE
dhol = score.part("dhol", volume=0.4, reverb=0.2, reverb_decay=0.8,
humanize=0.06)
cajon = score.part("cajon", volume=0.45, reverb=0.15, reverb_decay=0.6,
humanize=0.08)
# Bars 1-32: silent
for _ in range(32):
dhol.rest(Duration.WHOLE)
cajon.rest(Duration.WHOLE)
# Bars 33-56: dhol chaal pattern in 16ths with fills
# Bars 33-56: 16th note groove with fills
for bar in range(24):
if bar % 4 == 3:
# Fill — rapid dagga/tilli alternation
dhol.hit(DB, Duration.SIXTEENTH, velocity=110, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=70)
dhol.hit(DT, Duration.SIXTEENTH, velocity=65)
dhol.hit(DD, Duration.SIXTEENTH, velocity=100)
dhol.hit(DT, Duration.SIXTEENTH, velocity=72)
dhol.hit(DB, Duration.SIXTEENTH, velocity=108, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=68)
dhol.hit(DT, Duration.SIXTEENTH, velocity=62)
dhol.hit(DD, Duration.SIXTEENTH, velocity=105)
dhol.hit(DT, Duration.SIXTEENTH, velocity=70)
dhol.hit(DB, Duration.SIXTEENTH, velocity=112, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=65)
dhol.hit(DD, Duration.SIXTEENTH, velocity=108)
dhol.hit(DT, Duration.SIXTEENTH, velocity=68)
dhol.hit(DB, Duration.QUARTER, velocity=120, articulation="marcato")
# Fill — snare slaps building
cajon.hit(CSS, Duration.SIXTEENTH, velocity=108, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=60)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=105)
cajon.hit(CT, Duration.SIXTEENTH, velocity=55)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=110, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=58)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=112)
cajon.hit(CS, Duration.SIXTEENTH, velocity=100)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=115, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=62)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=110)
cajon.hit(CT, Duration.SIXTEENTH, velocity=58)
cajon.hit(CS, Duration.SIXTEENTH, velocity=105)
cajon.hit(CT, Duration.SIXTEENTH, velocity=55)
cajon.hit(CSS, Duration.QUARTER, velocity=120, articulation="marcato")
else:
# Driving dhol chaal — 16ths
dhol.hit(DB, Duration.SIXTEENTH, velocity=105, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=65)
dhol.hit(DD, Duration.SIXTEENTH, velocity=85)
dhol.hit(DT, Duration.SIXTEENTH, velocity=60)
dhol.hit(DT, Duration.SIXTEENTH, velocity=62)
dhol.hit(DT, Duration.SIXTEENTH, velocity=55)
dhol.hit(DD, Duration.SIXTEENTH, velocity=80)
dhol.hit(DB, Duration.SIXTEENTH, velocity=100, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=62)
dhol.hit(DD, Duration.SIXTEENTH, velocity=82)
dhol.hit(DT, Duration.SIXTEENTH, velocity=58)
dhol.hit(DT, Duration.SIXTEENTH, velocity=55)
dhol.hit(DD, Duration.SIXTEENTH, velocity=78)
dhol.hit(DT, Duration.SIXTEENTH, velocity=60)
dhol.hit(DB, Duration.SIXTEENTH, velocity=98, articulation="accent")
dhol.hit(DT, Duration.SIXTEENTH, velocity=58)
# Groove: SLAP-tap-tap-SNARE tap-tap-SLAP-tap
cajon.hit(CS, Duration.SIXTEENTH, velocity=98, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=52)
cajon.hit(CT, Duration.SIXTEENTH, velocity=48)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=90)
cajon.hit(CT, Duration.SIXTEENTH, velocity=50)
cajon.hit(CT, Duration.SIXTEENTH, velocity=45)
cajon.hit(CS, Duration.SIXTEENTH, velocity=92, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=50)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=88)
cajon.hit(CT, Duration.SIXTEENTH, velocity=48)
cajon.hit(CT, Duration.SIXTEENTH, velocity=45)
cajon.hit(CS, Duration.SIXTEENTH, velocity=95, articulation="accent")
cajon.hit(CT, Duration.SIXTEENTH, velocity=50)
cajon.hit(CSS, Duration.SIXTEENTH, velocity=85)
cajon.hit(CT, Duration.SIXTEENTH, velocity=48)
cajon.hit(CT, Duration.SIXTEENTH, velocity=42)
# Bars 57-64: fading
for bar in range(8):
vel = max(25, 95 - bar * 9)
dhol.hit(DB, Duration.QUARTER, velocity=vel, articulation="accent")
dhol.hit(DT, Duration.EIGHTH, velocity=max(20, vel - 30))
dhol.hit(DD, Duration.EIGHTH, velocity=max(20, vel - 15))
dhol.hit(DT, Duration.EIGHTH, velocity=max(20, vel - 32))
dhol.hit(DT, Duration.EIGHTH, velocity=max(20, vel - 35))
dhol.hit(DD, Duration.EIGHTH, velocity=max(20, vel - 18))
dhol.hit(DB, Duration.EIGHTH, velocity=max(20, vel - 5))
vel = max(25, 90 - bar * 8)
cajon.hit(CS, Duration.EIGHTH, velocity=vel, articulation="accent")
cajon.hit(CT, Duration.EIGHTH, velocity=max(20, vel - 35))
cajon.hit(CSS, Duration.EIGHTH, velocity=max(20, vel - 10))
cajon.hit(CT, Duration.EIGHTH, velocity=max(20, vel - 38))
cajon.hit(CS, Duration.EIGHTH, velocity=max(20, vel - 5))
cajon.hit(CT, Duration.EIGHTH, velocity=max(20, vel - 32))
cajon.hit(CSS, Duration.EIGHTH, velocity=max(20, vel - 12))
cajon.hit(CT, Duration.EIGHTH, velocity=max(20, vel - 40))
# ── 808 SUB — deep sine, follows the root ───────────────────────
sub = score.part("808", synth="sine", envelope="pad", volume=1.0,