California native Robert Rich is a crucial figure in the development of several forms of experimental electronic and ambient music, from ethno-fusion and environmental to dark ambient and space music. He began performing all-night sleep concerts in the early 1980s, and has since performed in a multitude of unconventional spaces, including caves, cathedrals, and galleries. His work reached a wider audience with the 1989 release of Rainforest, which combined natural sounds with electronic drones and exotic instrumentation, set apart by Rich's use of just intonation. He released ...