: Their first recordings featured vocalist Chris Collins.
This period saw the arrival of and the band's most commercially successful work.
The era of Dream Theater between 1986 and 2009 represents the core of the progressive metal genre's evolution. From their early days as at Berklee to their rise as world-renowned titans of technical music, this period encompasses ten studio albums and several defining live releases. 1986–1991: The "Majesty" Era and Initial Struggles
: Their official debut album featured Charlie Dominici on vocals. While it was a modest success, it laid the groundwork for their signature complex sound. 1992–1998: Commercial Breakthrough and Transition