The band's debut, released as Dream Theater after the early name Majesty, with Charlie Dominici on vocals and a sound rooted in progressive and neoclassical metal.
The breakthrough album with James LaBrie on vocals, home to "Pull Me Under" and "Take the Time", which brought the band wide recognition.
A heavier, darker record, the last with keyboardist Kevin Moore, balancing long compositions with more direct songs.
A more song-oriented album made under label pressure, with Derek Sherinian on keyboards and a more accessible sound.
A full concept album telling a single story across its length, the first with keyboardist Jordan Rudess and often called a high point of the band's work.
A double album whose second disc is a single title suite in eight parts, ranging across the band's heavier and more melodic sides.
The band's heaviest album, written with a focus on aggressive, riff-driven material.
An album built around the number eight, ranging from concise songs to the long title track, marking the end of an era for the band.
The first album for a new label, returning to longer, heavier compositions and elaborate arrangements.
The last studio album with drummer and co-founder Mike Portnoy, built from six long, emotionally charged tracks.
The first album with new drummer Mike Mangini, a return to a more melodic and refined progressive sound.
The self-titled album, more concise and cohesive, closing with the long piece "Illumination Theory".
An ambitious two-disc rock opera set in a dystopian future, with orchestral arrangements and a large cast of characters.
A more compact and direct album, recorded together in one place and leaning on tighter songs.
An album returning to longer forms, closing with a title track over twenty minutes long.
The band's return with founding drummer Mike Portnoy, a concept album themed around sleep disorders.
