App: General MIDI Player
Developer: Defective Records Software
Genres: Music

General MIDI Player is an easy way to turn your Mac into an instrument, using its built-in General MIDI support.  Starting in version 2, it also plays back type 1 General MIDI files!

You can play the General MIDI instruments using either your mouse, computer keyboard (including support for non-US keyboards), or MIDI device (both hardware and software MIDI devices supported). You can even play along yourself while a General MIDI song plays at the same time.  It has a simple, one-screen interface, that will let you start making music with your favorite General MIDI instrument in seconds!

Release notes:
* Fixed bug that prevented left and right arrow keys from reliably changing octaves