Opus 1 Music Inc.
Opus 1 Music Inc is a developer of Professional Music Notation Software for Macintosh computers
Software by Opus 1 Music Inc.
Highly Flexible Music Notation. NoteAbilityPro is a professional music notation package Developed by Dr. Keith Hamel at the University of British Columbia, it is easily the most sophisticated...
Graphics-oriented music notation. NoteWriter is a graphics-oriented music notation package. It treats music images as graphics, so that any image can be placed anywhere on the page, giving you a...
