live_loop :live do
  with_fx :flanger do
    base = 0
    cf = rrand(60, 120)
    ch = chord(:C4, '7sus4')
    rel = choose([0.1, 0.2, 0.4, 0.6])
    use_synth :prophet
    play choose(ch) + base + choose([-12, 0, 12])+12, cutoff: cf, pan: rrand(-1.0, 1.0), release: rel
    play choose(ch) + base + choose([-12, 0, 12]), cutoff: cf, pan: rrand(-1.0, 1.0), release: rel
    play choose(ch) + base + choose([-12, 0, 12]), cutoff: cf, pan: rrand(-1.0, 1.0), release: rel
    play choose(ch) + base + choose([-12, 0, 12])-12, cutoff: cf, pan: 0.0, release: rel
    sleep 0.125
  end
end