The Mjdj MIDI Morph API is released under the GPL 3.0 with Classpath Exception. See license information in COPYING and LICENSE. It's the Morph-Writing API for MjDj Midi Morph - http://github.com/drosenstark/mjdj API Docs - http://confusionists.com/mjdj/api For more information visit http://confusionists.com/mjdj