Planned Major Update to MIDI Technology Attracts New Members to the MIDI Manufacturers Association (MMA) Los Angeles, CA, November 6, 2018 – The MIDI Manufacturers Association (MMA) announced that Ableton, Aodyo, Audio Modeling, Art+Logic, Jammy Guitar, Melodics, MIND Music Labs, Native Instruments, OnSong, and TouchKeys have joined the MMA to coll...