20191220_sonic_pi.rb

with_fx :echo do
  live_audio :hi, amp: 3
end

live_loop :a do
  sample :bd_808
  sleep 1
end

live_loop :b, sync: :a do
  sleep 0.5
  sample :bd_ada, pan: (ring -1, 1).tick
end

live_loop :c do
  sync :a
  use_synth :fm
  use_synth_defaults release: rrand(0.1, 0.5), divisor: (ring 1, 2, 4, 8).tick
  note = (ring 60, 60, 65, 67).stretch(4).look
  with_fx :echo do
    with_fx :distortion, mix: rand do
      play note - 12, amp: 0.3 if one_in 3
      play note, amp: 0.5
      play note + 12, amp: 0.3 if one_in 2
    end
    play scale(60, :major, num_octaves: 2).pick, amp: 0.5, pan: -1
    play scale(60, :major, num_octaves: 2).pick, amp: 0.5, pan: 1
    sleep 0.4
    play scale(60, :major, num_octaves: 2).pick, amp: 0.5, pan: rrand(-1, 1)
  end
end