"Olivine Trees" is - to the best of my knowledge - the first piece of music ever composed using a high-performance parallel computer. The piece was specifically composed using sounds synthesised by Chaosynth on the Connection Machine CM-200 computer (one the largest computers in the world in 1993). Chaosynth is a sound synthesis system that I developed at Edinburgh Parallel Computing Centre (EPCC), in Scotland during a research residency in 1993-1994. The synthesis technique of Chaosynth is based on granular synthesis; it functions by generating a large amount of short sonic events, or particl...