"Systematic Chaos" is the ninth studio album by the progressive metal band Dream Theater, released on June 4, 2007, under Roadrunner Records. This album consists of eight tracks that showcase the band's signature blend of intricate musicianship and complex songwriting, characteristic of the rock and metal genres. The album's opening track, "In the Presence of Enemies," is a multi-part epic that sets the tone for the record, which explores themes of chaos and disorder. With a total runtime that exceeds 70 minutes, "Systematic Chaos" offers listeners a diverse auditory experience, ranging from hard-hitting metal riffs to melodic interludes. The album has received critical acclaim for its technical proficiency and dynamic compositions, solidifying Dream Theater's position in the progressive metal scene. Notable tracks include "Constant Motion" and "The Dark Eternal Night," both of which highlight the band's ability to fuse heavy elements with progressive rock structures. "Systematic Chaos" stands as a testament to Dream Theater's continued evolution and their commitment to pushing the boundaries of rock music.