Long Island, New York's Dream Theater are the globally celebrated standard-bearers for progressive metal in the 21st century. They deliver tight, melodic, musically sophisticated songs and thematic concept recordings encompassing elements of hook-based hard rock, riff-fueled metal, syncopated prog, and refined lyrics. Their second album, 1992's Images and Words, established their sonic signature, while 1994's Awake and 1999's Metropolis, Pt. 2: Scenes from a Memory cemented their place in metal's pantheon. For 2016's The Astonishing, a double-length dystopian sci-fi opera, they were accompanied by the Prague Symphony Orchestra and three choirs. In 2021, the band issued A View from the Top of the World. Four years later, Parasomnia, a thematic concept album about sleep disorders, appeared. It marked the return of founding drummer Mike Portnoy after a decade-plus solo career. Originally named Majesty (from a lyric in "Bastille Day"), the band was founded by Berklee College of Music students guitarist John Petrucci, bassist John Myung, and drummer Mike Portnoy; they soon expanded with the addition of keyboard player Kevin Moore and vocalist Chris Collins. Releasing an eight-song demo, Majesty Demo, as Majesty, the group sold 1,000 copies within six months. The departure of Collins in late 1986 left Majesty without a vocalist, and after a long period of auditioning possible replacements, the group settled on Charlie Dominici in November 1987. They decided to change their name to Dream Theater, inspired by a now-demolished California movie theater. Signing with Mechanic Records, the group began working on their first full-length album. Delays caused by label mismanagement limited the group to performing at small clubs and bars. Frustrated by this experience, Dream Theater finally severed their ties with Mechanic. This was only one drastic change in the band's course of action. Firing Dominici, the group spent the next couple of years searching for a vocalist. The search ended in late 1991 when a demo tape from Canadian vocalist James LaBrie, formerly of Winter Rose, arrived. After flying to New York to audition, LaBrie was invited to join the band. Signing with Atco Atlantic (which came to be known as East West), Dream Theater released their second album, Images & Words, in 1992. One of three videos based on songs from the album, "Pull Me Under," became an MTV hit. Although Theater showed considerable growth with their third studio album, Awake, recorded between May and July 1994, the group continued to be hampered by personnel changes. Before the album was mixed, keyboardist Moore left the group to focus on his solo career. Hired as a temporary replacement for the band's Waking Up the World tour, Derek Sherinian later became a permanent member. His first recording with Dream Theater was a 23-minute epic, "A Change of Seasons," written in 1989 and released in September 1995 on the album of the same name. Following the mini tour Fix for '96, the members of Dream Theater separated for several months and became involved with a variety of outside projects. Petrucci was the busiest. In addition to joining Portnoy and keyboard player Jordan Rudess in the Liquid Tension Experiment -- a group that included influential bassist/stick player Tony Levin -- Petrucci played guitar with Trent Gardner's Explorers Club and made a guest appearance on Shadow Gallery's Tyranny album. Myung and Sherinian collaborated with King's X vocalist Ty Tabor in the band Platypus. LaBrie worked with Mull Muzzler, a group formed with Matt Guillory and Mike Mangini. Dream Theater experienced yet another change when Rudess was tapped to replace Sherinian, who had been fired in 1999. The band released the progressive rock-heavy Scenes from a Memory that year, a conceptual piece that followed the story of the 1928 murder of a young woman and how a modern man is haunted by the crime. It was followed by Live Scenes from New York in 2001, which suffered from an unintentional bout of controversy when its original cover featuring the city of New York in flames was pulled due to the events of September 11. The group continued in the progressive metal vein in 2002 with Six Degrees of Inner Turbulence, followed by the leaner Train of Thought in 2003 and Octavarium in 2005. The live album Score: XOX was released in 2006 and featured the band backed by a 29-piece orchestra. The studio album Systematic Chaos arrived a year later, followed by Black Clouds & Silver Linings in 2009. Sherinian went on to record as a soloist and to play with a prog and jazz fusion band, Planet X. Petrucci released an eponymously titled solo album in 2003, featuring accompaniment by Dave LaRue of the Dixie Dregs and Boston-based drummer Dave DiCenso. In late 2010, Mike Mangini joined the group, replacing drummer Mike Portnoy, who left the band in September of that year. With a rigorous touring schedule that firmly broke in Mangini, Dream Theater somehow found time to record. They pre-released the track "On the Backs of Angels" on YouTube via their label, Roadrunner, in June 2011, followed by the CD release of the aptly titled full-length A Dramatic Turn of Events in the fall. After a period of rigorous international touring, the band took a break, though its members continued writing. They reconvened in early 2013 and returned with a self-titled studio album in September -- this one with Mangini completely involved in the writing process -- followed in November with the concert recording Live at Luna Park on CD and DVD, which was recorded during the Dramatic Turn of Events tour over two nights at the Buenos Aires soccer stadium. Recorded live at the Boston Opera House on March 24, 2014, the concert recording Breaking the Fourth Wall arrived the following year, and in late 2015 the band announced their upcoming 13th studio album, The Astonishing. A completely conceptual sci-fi offering, it was released in January 2016. After a world tour in which they performed the whole of the album, the band took an extended breather. At the end of 2018, Dream Theater released the single and video for "Untethered Angel" in advance of a North American tour. The full-length Distance Over Time was the first album by the band to clock in at less than an hour in length in over a decade. Petrucci credited the economical running time to a more collaborative writing process that took a mere 18 days and focused on harder-edged songs than on other recent recordings. Distance Over Time was released by Inside Out in early 2019. Taking the album on the road, Dream Theater played a sold-out show at London's Apollo, which was recorded for prosperity. Released in November 2020, Distant Memories: Live in London not only featured live tracks from the album but a 20th anniversary celebration of their 1999 concept album, Metropolis, Pt. 2: Scenes from a Memory. In 2021, the band returned with A View from the Top of the World. Its seven extended tracks ranged from just over six to 20 minutes and comprised -- for the first time in many years -- an aural portrait of the band mapping out prog metal architectures and compositions without a guiding concept or theme. In October 2023, Dream Theater announced the return of founding drummer Mike Portnoy to the lineup before heading to the studio to record their 16th album, Parasomnia. The departure of longtime drummer Mike Mangini (he always claimed to be a temporary replacement) was amicable with praise and goodwill expressed on all sides. Portnoy, who last recorded with the band on 2009's Black Clouds & Silver Linings, rejoined guitarist John Petrucci and bassist John Myung -- with whom he founded Dream Theater in 1985. The band's lineup also included vocalist James LaBrie and keyboardist Jordan Rudess. They spent 2024 in the studio crafting Parasomnia, a thematic concept album about sleep disorders: mythical, allegorical, and clinical. It was produced by Petrucci and appeared in February 2025. ~ Craig Harris, Rovi

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