This Mortal Coil is the fifth studio release of the progressive metal band Redemption.
 The album was officially released on October 11, 2011.
 The inspiration for the album came from guitarist/keyboardist Nick Van Dyk being diagnosed with cancer and told he had 3–5 years to live, only to later have that diagnosis overturned and be declared cancer-free.
 The album comes in both a single-disc standard edition and a two-disc deluxe edition, with the latter including a bonus disc of cover songs billed as "A Collection Of Songs Originally Recorded By Other Artists That One Would Not Expect Would Be Performed By A Progressive Metal Band, Part the First".
Watchtower is an American progressive metal band based in Austin, Texas.
 The band was influenced by late 1970s progressive rock acts, such as Rush and U.K., as well as the burgeoning new wave of British heavy metal scene.
 While Watchtower never reached mainstream success, they have been cited as an influence by many other progressive metal bands, such as Dream Theater, Death, Atheist, Sieges Even and Spiral Architect.
 The band is also notable for featuring vocalist Jason McMaster, who left after the release of their debut album to form Dangerous Toys.
 Watchtower has released two studio albums (of which the last was released in 1989), one compilation album, four digital singles, one and three demo cassettes, and has been featured on many compilation albums.
Johan Reinholdz (born 30 June 1980) is a progressive metal artist best known for his work with the Swedish progressive metal band Andromeda, Swedish death metal band NonExist and the melodic death metal band Skyfire.
 He composed Andromeda's debut album, "Extension of the Wish".
 He has also released four more studio albums with Andromeda and one live-album.
 In 2004 he joined Skyfire and made his debut on tape with them on "Esoteric" in 2009.
 He is currently playing with Dark Tranquillity.
Fates Warning is an American progressive metal band, formed in 1982 by vocalist John Arch, guitarists Jim Matheos and Victor Arduini, bassist Joe DiBiase, and drummer Steve Zimmerman in Hartford, Connecticut.
 Their early work was heavily influenced by new wave of British heavy metal, and was key in the development of American power metal.
 With each work, the band developed into a pure progressive metal style.
 Fates Warning has experienced numerous line-up changes.
 From 1982 to 1996 — and temporarily in 2010 — Matheos and DiBiase were the only remaining original members of the band, with Matheos being the only constant member.
 Their current lineup consists of guitarist Jim Matheos, vocalist Ray Alder, bassist Joey Vera, and drummer Bobby Jarzombek.
 As a pioneer of the American progressive metal movement, Fates Warning rose to international fame in the 1980s and was ranked as one of the early "flagship bands of progressive metal" along with Queensrÿche, Dream Theater, Crimson Glory and Watchtower, who were responsible for creating, developing and popularizing that genre.
Thought Chamber is an American progressive metal supergroup formed in 2006.
 The band was formed by guitarist Michael Harris and vocalist Ted Leonard of Enchant.
 The band's first full-length album, "Angular Perceptions" was released in 2007 on progressive label InsideOut and received critical acclaim, including Honorable Mention from drum legend Mike Portnoy in his Top 10 Albums of 2007.
 Thought Chamber released their second full-length opus, a concept album entitled "Psykerion", in 2013 featuring founding members, guitarist Michael Harris and vocalist Ted Leonard, along with new drummer Mike Haid, bassist Jeff Plant, and keyboardist Bill Jenkins (Enchant).
 Progressive Metal web site, Grande Rock, voted "Psykerion" Best Album of 2013, and voted "Transcend" Best Song of 2013.
 In early 2014, Mike Portnoy invited Thought Chamber vocalist, Ted Leonard, to tour with his progressive band, Transatlantic, to fill in for Daniel Gildenlöw (Pain of Salvation) who was recovering from unexpected health issues.
 Ted also performed with Transatlantic, and Spock's Beard in Feb 2014 on the Progressive Nation at Sea cruise.
 In March 2014, InsideOut Music released the first-ever Thought Chamber video, "Transcend" which was filmed in Dallas, TX in September 2013.
Reverse is the fourth album of the progressive metal band Eldritch, containing a cover of "My Sharona".
Crimson Glory are an American progressive metal band that formed in 1979 under the name Pierced Arrow (later changed to 'Beowulf').
 Their current line-up features long-time guitarists Jon Drenning and Ben Jackson, bassist Jeff Lords, and drummer Dana Burnell.
 The band formed in Sarasota, Florida.
 As a pioneer of the American progressive metal movement, Crimson Glory rose to international fame in the 1980s and was ranked as one of the early "flagship bands of progressive metal" along with Queensrÿche, Dream Theater, Fates Warning and Watchtower, who were responsible for creating and developing that genre.
 Crimson Glory has released four studio albums and one EP.
 They broke up in 1992, but reunited six years later.
"My Sharona" is the debut single by the Knack.
 The song was written by Berton Averre and Doug Fieger, and released in 1979 from their album "Get the Knack".
 It reached number one on the "Billboard" Hot 100 singles chart where it remained for 6 weeks, and was number one on "Billboard"' s 1979 Top Pop Singles year-end chart.
Andi Kravljaca is a Bosnian-born Swedish heavy metal singer.
 His main band is the progressive metal band Aeon Zen, although he is perhaps best known as vocalist for Swedish progressive metal band, Seventh Wonder, appearing on the band's first album, Become, in 2005.
 He was born in Sarajevo.
Periphery is a Grammy-nominated American metal band based in Washington, D.C., formed in 2005.
 Their musical style has been described as progressive metal as well as djent.
 They are considered one of the pioneers of the djent movement within progressive metal.
 The band consists of vocalist Spencer Sotelo, guitarists Misha Mansoor, Mark Holcomb, and Jake Bowen, and drummer Matt Halpern.
 Periphery released their self-titled debut in 2010, followed by "" on July 3, 2012.
 On December 3, 2013 they released a teaser for their EP "Clear", which was subsequently released on January 28, 2014.
 Periphery's third and fourth studio albums, entitled "" and "" respectively, were released on January 15, 2015.
 Most recently, Periphery released their third self-titled album, "" on July 22, 2016.
 All Periphery material is self-produced by the members of the band.

Question: The progressive metal band Eldrtich, performed a cover of the debut single by the Knack, which was written by who?
Answer: Berton Averre and Doug Fieger