Dream Theater is an American progressive metal band that formed in 1985.
Dream Theater was formed by the members that met at Berklee College of Music in Boston. To focus on the band, the members decided to dropped out. Dream Theater's highest selling album is "Images and Words" which able to stay on the Billboard 200 chart. Their following album "Awake" and "Six Degrees of Inner Turbulence" also able to stay at the chart. Throughout their career, Dream Theater has sold over 12 milllion records worldwide and received two Grammy Award nominations.