(mixer
  (track
    (name "Drums")
    (sampler
      (dir "/home/user/Lab/Music/pak")
      (sample (midi 34) (name "808 D") (file "808.wav"))))
  (track
    (name "Lead")
    (lv2
      (name "Odin2")
      (path "file:///home/user/.lv2/Odin2.lv2"))
    (gain 0.0)))