20200323_sonic_pi.rb

live_loop :a do
  use_synth :blade
  play 60, cutoff: 80, release: 1.2
  play 60 - (ring 3, 5).stretch(8).tick, cutoff: 80, release: 1.2
  sleep 1
end

live_loop :b do
  use_synth :blade
  sync :a
  play scale(60, :major, num_octaves: 2).mirror.stretch(4).tick, cutoff: 80, release: 1.2
end

live_loop :c do
  sync :a
  with_fx :echo do
    sample :bd_808
    sleep 1
  end
end

live_loop :d do
  sync :a
  use_synth :fm
  3.times do
    play octs(48, 3).tick, amp: 0.5, release: 0.2 unless one_in 8
    sleep 0.33
  end
end