Rush was a Canadian rock band formed in Toronto in 1968 that primarily comprised Geddy Lee, Alex Lifeson (guitar) and Neil Peart. The band's original line-up comprised Lifeson, drummer John Rutsey, and bassist and vocalist Jeff Jones, whom Lee immediately replaced. After Lee joined, the band went through a few line-up changes before arriving at its classic power trio line-up with the addition of Peart in July 1974, who replaced Rutsey four months after the release of their self-titled debut album; this line-up remained unchanged for the remainder of the band's career.
Dream Theater is an American progressive metal band formed in 1985 in Boston, Massachusetts. The band comprises John Petrucci (guitar), John Myung (bass), Mike Portnoy (drums), James LaBrie (vocals) and Jordan Rudess (keyboards).
Liquid Tension Experiment (LTE) is an American instrumental progressive metal supergroup founded by Mike Portnoy in 1997. The band initially released two albums, between 1998 and 1999. An extension of their second regular album, with the absence of John Petrucci was released in 2007 under the name "Liquid Trio Experiment".
Timothy S. "Ripper" Owens is an American heavy metal singer who currently performs with KK's Priest, Spirits of Fire, the Three Tremors and A New Revenge. He first gained attention as the lead singer of Judas Priest and then Iced Earth. He took the nickname "Ripper" from the Judas Priest song "The Ripper" during his time in the tribute band British Steel.
William Sheehan is an American musician known for playing bass guitar with acts such as Talas, Steve Vai, David Lee Roth, Mr. Big, Niacin, and The Winery Dogs. He is also known for his "lead bass" playing style, including the use of chording, two-handed tapping, "three-finger picking" technique and controlled feedback. Sheehan has been voted "Best Rock Bass Player" five times in Guitar Player readers' polls.
OSI was an American progressive rock band, originally formed by Fates Warning guitarist Jim Matheos in 2002. Chroma Key keyboardist and vocalist Kevin Moore is the only other full-time member of the band. The collaboration may be considered a studio project, as its members and contributors write and track most of their material independently, sharing and developing tracks long-distance, only coming together at the end of the process for mixing and additional tracking. The band's name is a reference to the Office of Strategic Influence, a short-lived American government agency formed in 2001 to support the War on Terror through propaganda. The band has featured a number of guest musicians on its albums, including Sean Malone, Steven Wilson, Mikael Akerfeldt, Joey Vera and Gavin Harrison.
Office of Strategic Influence is the first studio album by American progressive rock band OSI, released by Inside Out Music on February 18, 2003. The album was recorded in June 2002 and mixed in August 2002 at the Carriage House Studios in Stamford, Connecticut.
Neal Morse is an American singer, musician and composer based in Nashville, Tennessee. In 1992, he formed the progressive rock band Spock's Beard with his brother Alan and released an album which was moderately successful. In 1999, he joined Dream Theater's co-founder and then drummer Mike Portnoy, together with Flower Kings' Roine Stolt and Marillion's Pete Trewavas they formed the super-group Transatlantic. In 2002, Neal Morse became a born again Christian, left Spock's Beard and began a Christian rock solo career, releasing many progressive rock concept albums about his new religious faith. In the meantime, he continued to play with Transatlantic and formed three new bands with Portnoy, Yellow Matter Custard, Flying Colors and The Neal Morse Band.
Michael Stephen Portnoy is an American musician who is primarily known as the drummer, backing vocalist, and co-founder of progressive metal band Dream Theater.
John Peter Petrucci is an American guitarist, best known as a founding member of the progressive metal band Dream Theater. He produced or co-produced all of Dream Theater's albums from Metropolis Pt. 2: Scenes from a Memory (1999), and has been the sole producer of the band's albums released since A Dramatic Turn of Events (2011). Petrucci has also released two solo albums: Suspended Animation (2005) and Terminal Velocity (2020).
Fates Warning is an American progressive metal band, formed in Hartford, Connecticut, in 1982 by vocalist John Arch, guitarists Jim Matheos and Victor Arduini, bassist Joe DiBiase, and drummer Steve Zimmerman. There have been numerous lineup changes over the course of their 43-year career, and Matheos is the only constant member. As of 2020, the band consists of Matheos, vocalist Ray Alder, bassist Joey Vera, drummer Bobby Jarzombek and guitarist Michael Abdow. Fates Warning also had a revolving cast of drummers and guitarists by the time Jarzombek and Abdow joined the band in 2007 and 2020 respectively.
Steve J. Morse is an American guitarist and songwriter. A seven-time Grammy nominee, he is best known as the founder of the Dixie Dregs and as the longest serving guitarist for Deep Purple. Morse also enjoyed a successful solo career and was a member of the group Kansas in the mid-1980s. Most recently, Morse became a member of the supergroup Flying Colors.
Once in a LIVEtime is the second live album by American progressive metal band Dream Theater, released in 1998. It is their second live release. It was produced and recorded by Kevin Shirley during the European leg of the Touring into Infinity world tour, at the Bataclan theater in Paris.
Michael Anthony Mangini is an American musician, primarily known as the former drummer of progressive metal band Dream Theater, with whom he played between 2010 and 2023. He has also played for bands and artists such as Annihilator, Extreme, James LaBrie, and Steve Vai. Before joining Dream Theater, Mangini was a faculty member at Berklee College of Music. Between 2002 and 2005, he set five World's Fastest Drummer records. Mangini appeared on the Discovery Channel show Time Warp, displaying his drum skills for high-speed cameras.
Systematic Chaos is the ninth studio album by American progressive metal band Dream Theater. Released on June 4, 2007 in the United Kingdom and June 5, 2007 in the United States, Systematic Chaos was the band's first release through Roadrunner Records, which was sold to their previous label Atlantic Records, through which the band had released their previous studio album Octavarium (2005). The album was recorded from September 2006 to February 2007 at Avatar Studios in New York City, after the band's first break from summer touring in ten years. The lyrics of the album were written by John Petrucci, James LaBrie, and Mike Portnoy about fictional, political, and personal topics, respectively.
Black Clouds & Silver Linings is the tenth studio album by American progressive metal band Dream Theater, released on June 23, 2009 through Roadrunner Records. It is the last album to feature drummer and founding member Mike Portnoy for fifteen years until his return to the band in 2023.
Storm Corrosion was a musical collaboration between Swedish musician Mikael Åkerfeldt of progressive metal band Opeth and English musician Steven Wilson of the progressive rock band Porcupine Tree. Åkerfeldt and Wilson began a longstanding musical partnership in 2001 when Wilson produced Opeth's fifth studio album Blackwater Park. The two began writing together for a new project in 2010, releasing their self-titled only studio album in 2012 through Roadrunner Records.
Adrenaline Mob is an American heavy metal supergroup formed in early 2011 by singer Russell Allen, guitarist Mike Orlando and drummer Mike Portnoy. The band's current lineup consists of Allen, Orlando, and drummer Jordan Cannata.
Psychotic Symphony is the debut studio album by American supergroup Sons of Apollo. It was released on October 20, 2017. The album was produced by drummer Mike Portnoy and keyboardist Derek Sherinian under the name "The Del Fuvio Brothers" a nickname they adopted during their time together in Dream Theater. All band members were involved in the creation of the songs. Portnoy and Sherinian were the main songwriters. The album was released as CD, digital download, vinyl and a special edition containing a bonus disc with instrumental versions of the songs and an alternate mix of "Opus Maximus." The band began touring to promote the album in early 2018.
Metal Allegiance is an American thrash metal supergroup formed on Long Island, New York, in 2014 by bassist and songwriter Mark Menghi. Shortly after, he recruited bassist David Ellefson, guitarist Alex Skolnick, and drummer Mike Portnoy. Though the group does not have an official lead singer, they usually hire guest musicians to contribute vocals and/or guitar parts to their studio recordings and live shows, including Andreas Kisser of Sepultura and Mark Osegueda of Death Angel. To date, Metal Allegiance has released two studio albums and one EP.
[1] 
