live_loop :lead do
  with_fx :slicer do
    chords = [(chord :A4, :minor7), (chord :A4, :minor), (chord :D4, :minor7), (chord :F4, :major7)]
    use_synth :blade
    play chords.choose, attack: 1, release: 2, amp: 1
    sleep 2
  end
end