Recorded live from the Boston Opera House, prog-rockers Dream Theater deliver on their reputation as visionary metal musicians of technical prowess, impressive risk-taking, and melodic power. The group plays "The Enemy Inside," "On the Backs of Angels," "Enigma Machine," "Scarred," "Space Dye Vest," and more, with support from the Berklee College of Music Orchestra and Choir. 90 min. on two discs. Widescreen; Soundtrack: English.