Circles:	An ensemble of programs to assist the creation and exploration of eccentric harmonic/scalar systems;running under CP/M, MS-DOS, Unix, Nextstep, and Mac OS X), written in LISP and Objective C; 1984,1988,1992, 2002.
VIDI:	a system of software and hardware enabling a compositionally interactive installation of sound and light sources, driven by the 3-D integrated output of three video cameras, computer-mediated, and composer-designed; forthcoming.