New music matters. [computer file] /
Murray, Andy.
[London?] : Heinemann,
c1999.
System requirements: IBM-compatible PC with the following specifications: 486 or higher; 8 MB RAM or higher; Windows 3.1 or higher; working Windows MIDI interface. Or Apple Macintosh with 4MB memory (8MB with system 7.5 and 16MB with system 8).