Flashback is the second box set compilation by Electric Light Orchestra (ELO), released in November 2000 in the US and the following month in the UK.

Discovery is the eighth studio album by English rock band Electric Light Orchestra (ELO). It was released on 1 June 1979 in the United Kingdom by Jet Records, where it topped record charts, and on 8 June in the United States on Jet through Columbia Records distribution. A music video album featuring all the songs being played by the band was then released on VHS in 1979, then re-released as part of the Out of the Blue: Live at Wembley DVD and VHS in 1998.