gistfile1.coffee

def = Synth.def (freq=440, amp=1)->
  amp *= Line.kr(0.75, 0, 10, doneAction:2)
  Out.ar(0, SinOsc.ar([freq, freq * 1.25]) * amp)
 
l = Task.loop ->
  freq = Math.random() * 880 + 220
  s = def.play()
  Task.each [1,4,3,2,8,4,3,2], (x, i)->
    s.set freq:freq * x, amp:1-(i/8)
    @wait 250
  .play()
  @wait 750
.play()