There are 6 groups named Epsilon: 1) A hardcore techno producer from Newcastle, Australia who has produced tracks for labels such as Bloody Fist,Killing Sheep,and others. 2) An experimental thrash band from Austria. 3) A Krautrock band from Marburg, Germany (1970-1975).4) A beginning alternative/rock/metal influenced band from the Netherlands. 5) A thrash metal band from Montevideo - Uruguay. 6) An indie rock band from Perth, Australia - www.myspace.com/epsilontheband