20161130_sonic_pi.rb

s = :loop_tabla

t = (sample_duration s) / 16.0

live_loop :l1 do
  sample s, amp: 4
  sleep sample_duration s
end

live_loop :l2 do
  #sync :l1
  use_synth :fm
  play chord(:e2, :minor, num_octaves: 2).choose, release: 2 * t
  sleep [0.5 * t, t, 2 * t].choose
end

live_loop :l3 do
  #sync :l2
  use_synth :hollow
  play chord(:e4, :minor), amp: 0.5, release: 4 * t if one_in 3
  play chord(:b4, :minor), amp: 0.6, release: 4 * t if one_in 4
  sleep 3 * t
end