Data processing 9 Music 9 Computer programs 3 Computer music 2 Microcomputers 2 Apple IIGS (Computer) 1 Computer composition 1 Computer sound processing 1 Computer-assisted instruction 1 Congresses 1 Handbooks, manuals, etc 1 IBM 7094 (Computer) 1 Information storage and retrieval systems 1 Music Program Library (Computer program) 1 Musicology 1 Pascal (Computer program language) 1 Programming 1