Here is a piece inspired by Dawn of Midi and my attempt at taking a piano synth and trying to make it sound like a lof of different things.
Copy, paste, modify.
const bpm = 138; setcps(bpm/60/4);
// Pattern 1: lower melodic pulse
const bass_pulse = note("") .s("piano") .slow(4) .gain(rand.range(0.45, 0.65)) .attack(0.005) .decay(0.8) .sustain(1.2) .release(1.2) .lpf(800) .room(0.3) .delay(0.15) .delaytime(0.375) .delayfeedback(0.25) .pan(0.5);
// Pattern 1.5 (?): layered base
const bass_pulse_2 = note("") .s("piano") .slow(4) .gain(rand.range(0.45, 0.65)) .add(note(12)) .attack(0.005) .decay(0.8) .sustain(1.2) .release(1.2) .lpf(800) .room(0.3) .delay(0.15) .delaytime(0.375) .delayfeedback(0.25) .pan(0.5);
// Pattern 2: Mid-range polyrhythm
const mid_pattern = note("") .s("piano") .struct("x(5,8)") .gain(rand.range(0.25, 0.45)) .attack(0.008) .decay(0.4) .sustain(0.05) .release(0.6) .lpf(perlin.range(1200, 2200).slow(8)) .room(0.5) .pan(rand.range(0.3, 0.7));
// Pattern 3: repetitive pulse
const high_pulse = note("d5 [~ d5] d5 ~") .s("piano") .fast(2) .gain(rand.range(0.18, 0.35)) .attack(0.01) .decay(0.3) .sustain(0) .release(0.4) .lpf(2800) .room(0.6) .delay(0.25) .delaytime(0.1875) .delayfeedback(0.3) .pan(0.7);
// Pattern 4: Sparse accent notes (3 over 4 polyrhythm)
const accents = note("a4 ~ f4") .s("piano") .slow(2) .gain(rand.range(0.35, 0.55)) .attack(0.5) .decay(0.6) .sustain(0.9) .release(0.9) .lpf(1800) .room(0.45) .pan(0.2) .sometimes(x => x.delay(0.3).delayfeedback(0.4));
// Pattern 5: Extended mid-range polyrhythm (13 over 16 - cello thingie)
const mid_long = note("") .s("piano") .struct("x(13,16)") .gain(rand.range(0.32, 0.48)) .attack(0.06) .decay(0.9) .sustain(0.25) .release(1.1) .lpf(perlin.range(800, 1400).slow(12)) .lpq(4) .room(0.55) .delay(0.18) .delaytime(0.25) .delayfeedback(0.3) .pan(rand.range(0.35, 0.65));
const high_long = note("") .s("piano") .struct("x(7,8)") .gain(rand.range(0.28, 0.42)) .attack(0.05) .decay(0.8) .sustain(0.3) .release(1.0) .lpf(sine.range(1000, 1600).slow(8)) .lpq(3.5) .room(0.6) .delay(0.22) .delaytime(0.1875) .delayfeedback(0.35) .pan(0.7);
stack( bass_pulse, bass_pulse_2, mid_long, high_long, mid_pattern, high_pulse, accents );