Liquid Tension Experiment is an American instrumental prog rock "supergroup." Founded in 1997 by drummer Mike Portnoy, then a member of Dream Theater, their sound offers complex compositions -- sometimes of protracted length -- wedding riff-laden hard rock and heavy metal to knotty jazz fusion, and meaty funk with constantly shifting dynamics, rhythms, time signatures, and textures. The lineup also includes King Crimson bassist/Chapman Stick master Tony Levin, and Dream Theater keyboardist Jordan Rudess and guitarist John Petrucci. The band's self-titled debut album was cut ov...