Canon

/**

* "Row Your Boat"

*

* Adapted from https://git.io/fjyri

*/

const { createEnv, fx, inst, seq, music } = tuplet

const { c4, d4, e4, f4, g4, c5, rest } = music.pitches

const { wn, qn, den, sn, hn, ent } = music.durations

;(async () => {

const rests = [[rest, wn]]

const notes = [

[c4, qn],

[c4, qn],

[c4, den],

[d4, sn],

[e4, qn],

[e4, den],

[d4, sn],

[e4, den],

[f4, sn],

[g4, hn],

[c5, ent],

[c5, ent],

[c5, ent],

[g4, ent],

[g4, ent],

[g4, ent],

[e4, ent],

[e4, ent],

[e4, ent],

[c4, ent],

[c4, ent],

[c4, ent],

[g4, den],

[f4, sn],

[e4, den],

[d4, sn],

[c4, hn],

]

const bpm = 90.0

const env = createEnv()

// env.connect(await fx.compressor(env), await fx.reverb(env), env.master)

const piano = await inst.sampler(env, 'piano')

const theme = seq(notes).repeat(2).quantize(bpm)

const res1 = seq

.concat(seq(rests), seq(notes).repeat(2).transpose(12))

.quantize(bpm)

const res2 = seq

.concat(seq(rests).repeat(2), seq(notes).repeat(2).transpose(-12))

.quantize(bpm)

seq.play(theme, piano)

seq.play(res1, piano)

seq.play(res2, piano)

})()