Air Violin Midi Controller Experiment October 18, 2013experimental, musicair, controller, expression, instrument, midi, note, pitch, speed, violinquite leap Leap Motion controls as Violin Midi controller by Daniel Berlin. Here’s my first Leap MIDI controller experiment: the air violin! Left hand height controls note pitch and the speed of movement for right hand controls the instrument expression. Related posts: New Sounds from langsound Leap Motion Geco Experiments Leap Motion MIDI Shiva3d First MUSIC Integra Live + Leap Motion — Experiment 1