There are more than one artist using the name Holon. One is a US based musician, recording and releasing under Summer Rain Recordings, last EP was Stillness EP. Her bio: A holon (Greek: holos, “whole”) is something that is simultaneously a whole and a part. A holon is a system (or phenomenon) that is a whole in itself as well as a part of a larger system. Every system can be considered a holon, from a subatomic particle to the universe as a whole. Viewed from the perspective of larger things, the holon is a part. Viewed as an entity in its own right, it is a whole that has parts.