setcpm(140)
samples({
  bassdrum: 'Drums/Kicks/Ghosthack - Techno Kick 14.wav',
  base: 'Bass/Bass Shot 15 C.wav',
  backbaseC: 'Bass/Phull On Bass/Phull On Bass C.wav',
  backbaseF: 'Bass/Phull On Bass/Phull On Bass F.wav',
  closedHat: 'Drums/closedHiHats/Ghosthack CH 4.wav',
  snare: 'Drums/Snares/BK-72 - 909 ish.wav'
}, 'https://cdn.lupinexmedia.de/samples/')

let preMelody = `
  [[c3, c3, c4 c4 d#4 f4 d#4]*8]
  [[c3, f2, c4 c4 d#4 f4 d#4]*4]
`
 
stack(
  s("bassdrum").velocity(1),
  note(preMelody).s('triangle').fast(.025)._pianoroll(),
  s("base").fast(.25).velocity(.45),
  s("backbaseC").velocity(1).late(1.5).every(4, x => x.fast(0.50)),
  s("backbaseF").velocity(1).late(1.5).every(4, x => x.fast(0.50)),
  s("closedHat").velocity(1.2).late(1.5).every(8, x => x.fast(16)),
  s("snare").mask("<0 1 0 1>")
)