Year Albums Lineup Style
1985
  Chris Collins - vocals
Kevin Moore - keyboards
John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Progressive metal
1986
Majesty Demo [Demo]
1987
  Kevin Moore - keyboards
John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Charlie Dominici - vocals
1988
 
1989
When Dream And Day Unite default
1990
  Kevin Moore - keyboards
John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Charlie Dominici - vocals
1991
ATCO Demos [Demo] Kevin Moore - keyboards
John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
1992
Images And Words
1993
 
1994
Awake
1995
A Change Of Seasons [EP] default
1996
  John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Derek Sherinian - keyboards
1997
Falling Into Infinity default
1998
  John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Derek Sherinian - keyboards
1999
Metropolis Pt. 2: Scenes From A Memory default
2000
  John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
2001
 
2002
Six Degrees Of Inner Turbulence default
2003
Train Of Thought
2004
  John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
2005
Octavarium Kevin James LaBrie - vocals
John Ro Myung - bass
John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals, percussion
Jordan Charles Rudess - keyboards, continuum, lap steel guitar
2006
  John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
2007
Systematic Chaos default
2008
Forsaken EP [EP] John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
2009
Black Clouds & Silver Linings default
Wither [EP] John Peter Petrucci - guitars, backing vocals
Michael Stephen "Mike" Portnoy - drums, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
2010
  John Peter Petrucci - guitars, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
Michael "Mike" Mangini - drums
2011
A Dramatic Turn Of Events
2012
 
2013
Dream Theater default
2014
  John Peter Petrucci - guitars, backing vocals
John Ro Myung - bass
Kevin James LaBrie - vocals
Jordan Charles Rudess - keyboards
Michael "Mike" Mangini - drums