Maarten van der Vleuten (Vught, December 15, 1967) is a Dutch producer and composer. Since 1987 he produces ambient, house, techno, IDM but less danceable variations of electronic music. Until 2007 he worked under numerous pseudonyms, but since 2008 he works only under his own name. Some are more familiar pseudonyms In-Existence, Flux, Integrity, 48v. Phantom Power, Major Malfunction and DJ G-Spot. In total he uses at least 26 different names on different record labels. Some labels are R & S Records (Belgium), DJAX, Outrage, Apollo Records (Belgium), Signum Recordings, See Saw and Tone Float.