 The widespread adoption of MIDI led to computer-based MIDI software being developed.Soon after, a number of platforms began supporting MIDI, including the Apple II Plus, IIe and Macintosh, Commodore 64 and Amiga, Atari ST, Acorn Archimedes, and PC DOS.The Macintosh was a favorite among US musicians, as it was marketed at a competitive price, and it took several years for PC systems to catch up with its efficiency and graphical interface.