play_ready: { note_number: 35 velocity: 2 }
playing: { note_number: 35 }
+# Next is mapped to fast-forward.
+next: { note_number: 37 }
+next_ready: { note_number: 37 }
+
# Queue is marked to Cue; close enough.
queue: { note_number: 34 }
queue_enabled: { note_number: 34 }