The band's subsequent albums, and "Octavarium" (2005) , continued to showcase their innovative approach to progressive metal. "Systematic Chaos" (2007) and "Black Clouds & Silver Linings" (2009) saw the band refining their sound, incorporating new elements, and exploring complex themes.
The band's next album, , was a double album that pushed the boundaries of progressive rock. The album's epic scope and ambitious songwriting earned critical acclaim. Dream Theater Discography 1986-2009 -Mp3 320 kb...
The new millennium saw Dream Theater release , a concept album that explored themes of reincarnation and redemption. The album spawned hit singles like "The Spirit Carries On" and "I Walk Beside You." The band's subsequent albums, and "Octavarium" (2005) ,