The app provides tools to play over minor II V progressions, demystifying common jazz repertoire. It offers adjustable tempos and Jam-A-Longs in any key for improvisation practice.
The app simulates a laser harp with adjustable laser angles, colors, and note scales. It offers 16 stereo sounds, including those from Second Rendez-Vous Part III, and MIDI output for controlling notes and expression with compatible devices.
The app calculates four-part voice leading and chord permutations. It offers theoretical background, inspiration for new color choices, and displays key signatures for scales and modes.