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.