Four Voice Canon #3 (computer)


Date: 1975


Place: CCRMA, Stanford University; assistance from Andy Moorer and Scott Kim


Instrumentation: Digital synthesis system (PDP-10 computer), SAIL (Stanford Artificial Intelligence Language)


Elements: pitch, spatial location (5 points in stereo space), duration, amplitude, several FM indices, envelope parameters (some 15-20 controls, in the case of timbres, varied very slightly)


Comments: Used backtracking algorithm to compute list; true golden mean ratios for durations of voices. On Artifact CD, The Theory of Impossible Melody.