Which song was the Clash's only UK number one single?

"Should I Stay or Should I Go" is a song by the English punk rock band the Clash, from their album Combat Rock. It was written in 1981 and featured Mick Jones on lead vocals. It became the band's only number-one single on the UK Singles Chart, a decade after it was originally released. In November 2004, it was ranked at 228 on "Rolling Stone's 500 Greatest Songs of All Time" list. In 2009 it was ranked 42nd on VH1's program 100 Greatest Hard Rock Songs.

The live recording of the song was released as a part of the album, "Live at Shea Stadium", which featured a concert on 13 October 1982 in New York. The song's music video from that performance was included in DVD "The Clash Live: Revolution Rock". Both disks were released on 6 October 2008.