Mike Portnoy was in a band.
Michael Stephen `` Mike '' Portnoy -LRB- born April 20 , 1967 -RRB- is an American drummer primarily known as the former drummer , backing vocalist , and a co-founder of the progressive metal/rock band Dream Theater .	Dream Theater	Dream Theater	backing vocalist	backing vocalist	progressive metal	progressive metal	rock	progressive rock
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 .	John Myung	John Myung	John Petrucci	John Petrucci	Boston	Boston	Mike Portnoy	Mike Portnoy	progressive metal	progressive metal	Berklee College of Music	Berklee College of Music	Massachusetts	Massachusetts
