The MIDI Manufacturers Association (MMA) is a non-profit trade organization where companies work together to create MIDI standards that assure compatibility among MIDI products.

[1] The MMA is a U.S. organization established in 1985 by the original developers of the MIDI 1.0 Specification in 1983.

[2] Since 1985 the MMA has produced 11 new specifications and adopted 38 sets of enhancements to MIDI.

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