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 to Berklee College of Music in Boston, before they dropped out to support the band. Though a number of lineup changes followed, the three original members remain today along with James LaBrie and Jordan Rudess.Dream Theater has become one of the most commercially successful progressive rock bands since the height of the genre in the mid-19