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Silk Road: stereo caravan — east to west, left to right

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Koto far left (taj_mahal), sitar left (dry), tabla left-center,
oud right-center (cathedral delay), guitar right (delay),
cajon far right (dry). Tambura center with sub_osc as the thread.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Kenneth Reitz
2026-04-01 22:13:11 -04:00
parent 062a0d098d
commit 89666f7646
1 changed files with 23 additions and 21 deletions
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tracks/silk_road.py
+23 -21
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@@ -29,9 +29,9 @@ score = Score("4/4", bpm=95)
# ── KOTO — China, pentatonic, sparse ───────────────────────────
# D minor pentatonic: D F G A C (removes E and Bb)
koto = score.part("koto", instrument="koto", volume=0.4,
reverb=0.5, reverb_type="taj_mahal",
delay=0.2, delay_time=0.316, delay_feedback=0.3,
humanize=0.1)
reverb=0.55, reverb_type="taj_mahal",
delay=0.3, delay_time=0.316, delay_feedback=0.4,
pan=-0.45, humanize=0.1)
# Bars 1-16: solo koto — contemplative, lots of space
koto_phrases = [
@@ -82,10 +82,10 @@ for _ in range(6):
koto.add(note, dur, velocity=max(30, vel - 25))
# ── SITAR — India, enters bar 17 ───────────────────────────────
sitar = score.part("sitar", instrument="sitar", volume=0.45,
reverb=0.35, reverb_type="taj_mahal",
delay=0.25, delay_time=0.333, delay_feedback=0.3,
pan=-0.2, humanize=0.1)
sitar = score.part("sitar", instrument="sitar", volume=0.5,
reverb=0.2, reverb_decay=1.0,
delay=0.2, delay_time=0.333, delay_feedback=0.3,
pan=-0.3, humanize=0.1)
# Bars 1-16: silent
for _ in range(16):
@@ -120,8 +120,8 @@ GE = DrumSound.TABLA_GE
tDHA = DrumSound.TABLA_DHA
GEB = DrumSound.TABLA_GE_BEND
tabla = score.part("tabla", volume=0.3, reverb=0.2, reverb_decay=1.0,
humanize=0.08)
tabla = score.part("tabla", volume=0.3, reverb=0.3, reverb_type="cathedral",
reverb_decay=1.5, pan=-0.15, humanize=0.08)
for _ in range(16):
tabla.rest(Duration.WHOLE)
@@ -149,9 +149,9 @@ for bar in range(64):
# ── MANDOLIN (oud) — Persia, enters bar 33 ─────────────────────
oud = score.part("oud", instrument="mandolin", volume=0.4,
reverb=0.4, reverb_type="cathedral",
delay=0.15, delay_time=0.25, delay_feedback=0.25,
pan=0.2, humanize=0.08)
reverb=0.45, reverb_type="cathedral",
delay=0.3, delay_time=0.316, delay_feedback=0.35,
pan=0.15, humanize=0.08)
for _ in range(32):
oud.rest(Duration.WHOLE)
@@ -184,7 +184,8 @@ DKD = DrumSound.DOUMBEK_DUM
DKT = DrumSound.DOUMBEK_TEK
DKK = DrumSound.DOUMBEK_KA
doumbek = score.part("doumbek", volume=0.3, reverb=0.15, humanize=0.06)
doumbek = score.part("doumbek", volume=0.3, reverb=0.2, reverb_decay=1.0,
pan=0.2, humanize=0.06)
for _ in range(32):
doumbek.rest(Duration.WHOLE)
@@ -219,8 +220,9 @@ for bar in range(48):
# ── GUITAR — Mediterranean, enters bar 49 ──────────────────────
guitar = score.part("guitar", instrument="acoustic_guitar", volume=0.35,
reverb=0.35, reverb_type="cathedral",
humanize=0.1)
reverb=0.4, reverb_type="cathedral",
delay=0.2, delay_time=0.316, delay_feedback=0.25,
pan=0.35, humanize=0.1)
for _ in range(48):
guitar.rest(Duration.WHOLE)
@@ -247,8 +249,8 @@ CS = DrumSound.CAJON_SLAP
CT = DrumSound.CAJON_TAP
CSS = DrumSound.CAJON_SLAP_SNARE
cajon = score.part("cajon", volume=0.25, reverb=0.3, reverb_type="cathedral",
humanize=0.08)
cajon = score.part("cajon", volume=0.25, reverb=0.15, reverb_decay=0.6,
pan=0.4, humanize=0.08)
for _ in range(48):
cajon.rest(Duration.WHOLE)
@@ -281,10 +283,10 @@ for bar in range(32):
cajon.hit(CT, Duration.EIGHTH, velocity=45)
# ── TAMBURA — the thread connecting everything ──────────────────
tambura = score.part("tambura", synth="sine", envelope="pad", volume=0.15,
reverb=0.7, reverb_type="taj_mahal",
chorus=0.3, chorus_rate=0.08, chorus_depth=0.01,
lowpass=1000)
tambura = score.part("tambura", synth="sine", envelope="pad", volume=0.18,
reverb=0.8, reverb_type="taj_mahal",
chorus=0.4, chorus_rate=0.06, chorus_depth=0.012,
lowpass=1000, sub_osc=0.3)
for _ in range(80):
tambura.add(D.add(-24), Duration.HALF)