Passport Designs Inc.

Passport Designs Inc. was a pioneer in the field of computer music, introducing the pre-MIDI SoundChaser in 1982. The company was a pioneer in the field of computer music, introducing the pre-MIDI SoundChaser in 1982. This Apple II-based system included the Mountain Computer Music System, a programmable 8-voice wavetable synthesizer (the first ever commercially available) that fit in two Apple II slots, the Soundchaser 4-octave keyboard, and system software, written by Kusek, that emulated a four-track tape recorder.[3] In 1983, composer John Melcher developed 4-Track Editor, a composing application that enabled music to be entered like a word-processor.