The sixth studio album from Dream Theater, originally released in 2002 and their longest to-date, till 2016's The Astonishing.

Tracklist:

Side 1:

1. The Glass Prison
2. Blind Faith

Side 2:

1. Misunderstood
2. The Great Debate

Side 3:

1. Disappear
2. Six Degrees of Inner Turbulence Part I: I. Overture II. About to Crash III. War Inside My Head IV. The Test That Stumped Them All

Side 4:

1. Six Degrees of Inner Turbulence Part II: V. Goodnight Kiss VI. Solitary Shell VII. About to Crash (Reprise) VIII. Losing Time / Grand Finale