The Zen Flute is a highly intuitive MIDI controller that is uses the position of ones tongue and jaw to control pitch, much like one would control the pitch during whistling but without the need to blow or purse ones lips. Mouth-shape is determined by a small speaker and microphone that acoustically map tongue and jaw position without effort by the user. By using mouth-shape to control pitch, extremely fast and precise pitch changes can be implemented using the familiar brain-pathways that we already used to sing or speak. In its simplest embodiment, the Zen Flute requires only a single button to control the start of a note, leaving the users other hand (an additional fingers) available for non-pitch control such as volume, timbre, harmonics and the like, using a small joystick.