Mike Portnoy has formed a band.
Dream Theater is an American progressive metal band formed in 1985 under the name Majesty by John Petrucci , John Myung , and Mike Portnoy while they attended Berklee College of Music in Boston , Massachusetts . Mike Portnoy . He is a founding member of Liquid Tension Experiment , an instrumental progressive rock band featuring fellow Dream Theater members John Petrucci and Jordan Rudess along with bassist Tony Levin . He is also a founding member of Flying Colors , a progressive pop band also featuring Steve Morse , Neal Morse , Dave LaRue , and Casey McPherson ; and The Winery Dogs , a power trio also featuring bassist Billy Sheehan ( Mr. Big ) and guitarist Richie Kotzen ( formerly of Mr. Big and Poison ) .