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Broadcast were formed in Birmingham in 1995 by vocalist Trish Keenan, bassist James Cargill, keyboardist Roj Stevens and guitarist Tim Felton. The band released their debut single, "Accidentals", on the independent record label Wurlitzer Jukebox in 1996; their two subsequent releases, The Book Lovers EP (1996) and "Living Room" (1997), were released on Duophonic Records. Soon after, the band signed to the Warp label and released Work and Non Work, a compilation of the band's previously released material. In 2000, Broadcast released their debut studio album, The Noise Made by People, and two EPs titled Extended Play and Extended Play Two. The Noise Made by People did not have a commercial impact, peaking only at No. 79 on the UK Albums Chart, but its accompanying EPs were a minor success, placing at No. 1 and No. 2, respectively, on the UK Budget Albums Chart.
Haha Sound, the band's second album, was released in 2003 to "universal acclaim", according to Metacritic. The album experienced moderate commercial success in the United States, where it peaked at No. 8 on Billboard's Electronic Albums chart and No. 50 on the Independent Albums chart. Haha Sound was preceded by the tour-only mini-album Microtronics Volume 01: Stereo Recorded Music for Links and Bridges and the Pendulum EP (2003). Tender Buttons, the final studio album to feature Keenan, was released in 2005, alongside Microtronics Volume 02.
Following the release of the B-side and rarities compilation The Future Crayon (2006), Broadcast began collaborating with Julian House and his project the Focus Group. In 2009, Broadcast and House released a collaborative album, Broadcast and the Focus Group Investigate Witch Cults of the Radio Age, which was listed as No. 1 on The Wire's Top 50 Releases of 2009 and referred to by Vice's Noisey as "perhaps Broadcast's finest achievement". A split 7-inch single with the Focus Group, featuring Broadcast's song "Inside Out", followed the album's release.
Keenan died in January 2011, following complications with pneumonia, which she suffered from after earlier contracting H1N1. Berberian Sound Studio, a soundtrack album to Peter Strickland's 2012 film of the same name, was released in January 2013 to moderate success in the UK and US, peaking at No. 24 on the UK Independent Albums Chart. Partially recorded prior to Keenan's death, it was the final Broadcast release to feature her vocals.
Microtronics Volume 02: Stereo Recorded Music for Links and Bridges
Released: 30 November 2005 (UK)
Label: Warp (199)
Formats: Mini CD
Mother Is the Milky Way
Released: 17 October 2009 (US)
Label: Warp (189T)
Formats: CD
These three albums, originally only available at gigs, were reissued for general sale on CD and vinyl on 18 March 2022, with the two volumes of Microtronics being compiled into one album.