• Kevin James LaBrie- voice (1991–presente)
• John Petrucci - guitar and choirs (1985–presente)
• John Myung - bass, Chapman Stick (1985–presente)
• Jordan Rudess - keyboard and Continuum (1999-presente)
•Mike Mangini - drums and percusion (2011-presente)
The discography of these band is:
• 1989: When Dream and Day Unite
• 1992: Images and Words
• 1994: Awake
• 1995: A Change of Seasons (EP)• 1997: Falling into Infinity
• 1999: Metropolis Pt. 2: Scenes from a Memory
• 2002: Six Degrees of Inner Turbulence
• 2003: Train of Thought
• 2005: Octavarium
• 2007: Systematic Chaos
•2009: Black Clouds & Silver Linings
• 2011: A Dramatic Turn of Events
The old drummer of the band Mike Portnoy, has received 23 awards from Modern Drummer magazine and is the secondyoungest person to be introduced in the Modern Drummer Hall of Fame, recognition that was granted in 2004, at 37 years.
Michael "Mike" Portnoy was born in april 20 in the year of 1967 is a drummerand American composer of Jewish descent. He grew up in Long Island, Nassau, New York, where his interest in music began at an early age. It is primarily known for his work in the progressivemetal band Dream Theater working as a composer, drummer and director of Dream Theater DVDs.
Is famous for his talent on drums and is a co-produced with John Petrucci's last six albums, DreamTheater, starting with Metropolis Pt 2: Scenes from a Memory.
In 2010 he met with Avenged Sevenfold for recording with the band his new album, Nightmare, in which he recorded the drum tracks.