Queen are a British rock band formed in 1970. Queen consisted of lead singer Freddie Mercury, guitarist Brian May, bassist John Deacon and drummer Roger Taylor. The band became popular with audiences via their hit singles, live performances, originality and showmanship, being voted the greatest British band of all time in a national BBC poll. Their 1985 Live Aid performance was voted the best live rock performance of all time in an industry poll.According to the BBC, Queen have sold more than 300 million albums as of 2009.Queen enjoyed success in the UK in the early to mid-1970s with the albums Queen and Queen II, but it was with the release of Sheer Heart Attack in 1974 and A Night at the Opera the following year that the band gained international success. They have released fifteen studio albums, five live albums and numerous compilation albums.