Question: Where was the band formed to which the singer of Carry On had previously belonged?

Context articles: Ecuadorian Popular Revolutionary Union
The Blues Band
'Til Tuesday
Random Hero (band)
Union J
The Varukers
Wands (band)
Peter and the Wolf (band)
Carry On (Chris Cornell album)
Audioslave

The Ecuadorian Popular Revolutionary Union (Spanish: "Unión Revolucionaria Popular Ecuadoriana" , URPE) was a political coalition in Ecuador, formed in 1980 by the People's Committee and the Second Independence Movement.
 The two organizations constituting URPE had previously belonged to the Broad Left Front (FADI).
The Blues Band is a British blues band formed in 1979 by Paul Jones, former lead vocalist and harmonica player with Manfred Mann, and vocalist/slide guitarist Dave Kelly, who had previously played with the John Dummer Blues Band, Howlin' Wolf and John Lee Hooker.
 The band’s first line-up also included bassist Gary Fletcher, guitarist Tom McGuinness (also of Manfred Mann) and drummer Hughie Flint, (the two had previously formed McGuinness Flint).
 In 1982 Flint left and was replaced by former Family drummer Rob Townsend.
'Til Tuesday (often written as ’til tuesday) was an American new wave band formed in Boston.
 The band, consisting of Aimee Mann (vocals, bass), Robert Holmes (guitar, vocals), Joey Pesce (keyboard), and Michael Hausman (drums), was active from 1982 to 1989.
 They are best known for their 1985 hit single "Voices Carry".
Random Hero is an American Christian rock band formed in Denver, Colorado in 2005.
 In June 2013, Random Hero released their self produced full-length album, "Carry Me Bury Me", that included the single "Mercy".
 The band's last EP was produced by Ben Kasica.
 The feature single "Breakdown" spent over ten months on the "Billboard" Christian Rock Charts peaking at No. 4.
 The band has worked with MTV, the ESPN X-Games, AMA Motocross, the Go Fast Extreme Games, and is the exclusive band for the Rise Up Tour, an organization that holds assembly programs for high school and middle school students revolving around suicide and addiction education and prevention.
Union J (originally Triple J) are an English boy band consisting of members Josh Cuthbert, JJ Hamblett, Jaymi Hensley, and previously, George Shelley and Casey Johnson, until their departures in 2016 and 2017 respectively.
 The band formed in 2011, originally as a trio known as Triple J, consisting of Cuthbert, Hamblett and Hensley.
 They auditioned for the ninth series of the British television music competition The X Factor where they met Shelley who joined the band at the judges' request.
 They finished fourth and were subsequently signed to Sony Music subsidiary RCA Records.
 Their debut single "Carry You" was released in June 2013.
 Their self-titled debut studio album followed in October 2013 and peaked at number 6 on the UK Albums Chart.
The Varukers are a UK hardcore punk band formed in 1979 by vocalist Anthony "Rat" Martin.
 They produced their most influential recordings in the early 1980s.
 The band play in D-beat, the musical style of Discharge.
 Also like Discharge, the Varukers' lyrics carry an anarchist political ideology.
Wands (ワンズ ) also (stylized as WANDS) was a Japanese rock band formed in 1991 as a three-member group.
 The band, throughout nine years of activity, had two vocalists, guitarists and keyboardists.
 Show Wesugi (vocalist), Hiroshi Shibasaki (guitarist), Kousuke Oshima (keyboardist) are the original member of the band.
 Shinya Kimura joined them after Oshima separate early.
 In 1997, Wesugi and Hiroshi left the band, so then Shinya reformed the band with Jiro Waku (vocalist) and Issei Sugimoto (guitarist).
 However, the group was officially disbanded in 2000.
 Wands belonged to the Being music agency.
Peter and the Wolf is the American folk band formed by musician Red Hunter.
 Hunter says about his song writing, "I carry a journal everywhere with me.
 I will stop in the middle of whatever I'm doing to write down an idea, whether it's something I think about, hear, observe, or whatever.
 It's my highest priority to make sure I capture these ideas, as the craft of songwriting is a lifelong pursuit".
 The band's record label offers early demos called "Peter and the Wolf" and "Experiments in Junk", but the first official CD released was "Lightness".
 After the release of "Lightness" the band performed several shows in graveyards, islands, as well as more regular venues.
 "The Ivori Palms" became the act's second official release in September 2007, followed by "Mellow Owl" and "Traffique's Endless Weekend Mixtape", the newest album, "Easy Mountain", was released in December, 2011.
Carry On is the second solo studio album by American musician Chris Cornell.
 It was released on May 28, 2007, in the United Kingdom and June 5, 2007, in the United States.
 This album is Cornell's second after "Euphoria Morning" in 1999, and his first since leaving his former band Audioslave.
 As of September 4, 2007, the album has sold 121,000 copies in the US and 300,000 copies worldwide.
Audioslave was an American rock supergroup formed in Los Angeles in 2001.
 The four-piece band consisted of Soundgarden lead singer/rhythm guitarist Chris Cornell and Rage Against the Machine members Tom Morello (lead guitar), Tim Commerford (bass/backing vocals), and Brad Wilk (drums).
 Critics first described Audioslave as a combination of Soundgarden and Rage Against the Machine, but by the band's second album, "Out of Exile", it was noted that they had established a separate identity.
 Audioslave's sound was created by blending 1970s hard rock with 1990s alternative rock.
 Moreover, Morello incorporated his well-known, unconventional guitar solos into the mix.
 As with Rage Against the Machine, the band prided themselves on the fact that all sounds on their albums were produced using only guitar, bass, drums, and vocals.