Question: The Orchestra is a rock band formed by former members of what band that was formed in Birmingham in 1970?
Context: Rockets were a French space rock band that formed in Paris in 1974.  Some of the former members had played together since 1970 in a local band called Crystal.  In their most successful era (1977–1982) the line-up comprised vocalist Christian Le Bartz, bassist and vocalist "Little" Gérard L'Her, guitarist and keyboardist Alain Maratrat, drummer and percussionist Alain Groetzinger, and keyboardist Fabrice Quagliotti.  The band went through a number of name changes, being known as the Rocket Men and Rok-Etz, among others.  In the year 2000 Fabrice Quagliotti decided to reform the band (initially with the name Rockets N.D.P.), but with a totally different line-up.  This brought to an anomalous situation, as far as none of the former members agreed to hold a reunion.  In fact, the last former member to leave the band was Alain Maratrat, in 1992. Pearl Jam is an American rock band formed in Seattle, Washington, in 1990.  Since its inception, the band's line-up has consisted of Eddie Vedder (lead vocals), Mike McCready (lead guitar), Stone Gossard (rhythm guitar) and Jeff Ament (bass).  The band's fifth member is drummer Matt Cameron (also of Soundgarden), who has been with the band since 1998.  Boom Gaspar (piano) has also been a session/touring member with the band since 2002.  Drummers Dave Krusen, Matt Chamberlain, Dave Abbruzzese and Jack Irons are former members of the band. Lao Che is a Polish rock band formed in 1999 in Płock by former members of the band Koli.  Lao Che's musical genre is a crossover of various styles such as alternative rock, punk rock, ska, ambient, and folk.  The band's popularity grew quickly after their "Powstanie Warszawskie" (Polish for "Warsaw Uprising") concept album, which received many prestigious nominations and awards. The Orchestra is a rock band formed by former members of the Electric Light Orchestra and ELO Part II.  It is the continuation of ELO Part II following Bev Bevan's departure and selling of the rights to Jeff Lynne. Piglet was a short-lived, Chicago-based instrumental math rock band formed by the former members of the band Seyarse.  Their style of music is labeled such things as "math rock," "indie rock', "post rock" "experimental rock," and instrumental rock, among others.  The song structures mainly focus around clean and melodic, yet heavily complicated and technical playing which contains pleasant hooks, backed by fittingly technically demanding drumming.  The band broke up after releasing their debut EP, Lava Land, on the label Team AV, in 2005. Genesis were an English rock band formed at Charterhouse School, Godalming, Surrey in 1967.  The most commercially successful and longest-lasting line-up consisted of keyboardist Tony Banks, bassist/guitarist Mike Rutherford and drummer/singer Phil Collins.  Significant former members were original lead singer Peter Gabriel and guitarist Steve Hackett.  The band underwent many changes in musical style over its career, from folk music to progressive rock in the 1970s, before moving towards pop at the end of the decade.  They have sold 21.5 million RIAA-certified albums in the United States and their worldwide sales are estimated to be between 100 million and 150 million. The Company of Snakes were an English rock band formed in 1998, by former members of the English rock band Whitesnake who were also members of The Snakes.  They released two albums before morphing into M3 during 2004. Wide Eyed were an English psychedelic rock band, formed in Birmingham.  The band consisted of Jake Bellwood (vocals, guitar), Tommy Greaves (lead guitar), Max Fisher (bass).  The band split in early 2014 leading to the formation of GLEAM (Band) by three former members. The Electric Light Orchestra (ELO) are an English rock band formed in Birmingham in 1970, by songwriters/multi-instrumentalists Jeff Lynne and Roy Wood with drummer Bev Bevan.  Their music is characterised by a fusion of Beatlesque pop, classical arrangements, and futuristic iconography.  After Wood's departure in 1972, Lynne became the band's leader, arranging and producing every album while writing virtually all of their original material. Roxy Music were an English rock band formed in 1971 by Bryan Ferry, who became the band's lead vocalist and chief songwriter, and bassist Graham Simpson.  Alongside Ferry, the other longtime members were Phil Manzanera (guitar), Andy Mackay (saxophone and oboe) and Paul Thompson (drums and percussion), and other former members include Brian Eno (synthesizer and "treatments"), Eddie Jobson (synthesiser and violin), and John Gustafson (bass).  Although the band took a break from group activities in 1976 and again in 1983, they reunited for a concert tour in 2001, and toured together intermittently between that time and their break-up in 2011.  Ferry frequently enlisted members of Roxy Music as session musicians for his solo releases.
Answer: Electric Light Orchestra