Formed in 1985, the progressive metal band "Dream Theater" has played an instrumental role in defining the age of progressive rock over the last three decades. Systematic Chaos hit stores in the summer of 2007, becoming their highest charting album in the United States to date. Songs include lyrics and authentic guitar tab. Titles: In the Presence of Enemies; Forsaken; Constant Motion; The Dark Eternal Night; Repentance; Prophets of War; The Ministry of Lost Souls and In the Presence of Enemies - Part II.