Complex sentence: Queen are a British rock band formed in London in 1970, originally consisting of Freddie Mercury (lead vocals, piano), Brian May (guitar, vocals), John Deacon (bass guitar), and Roger Taylor (drums, vocals).
Split into simpler sentences: Queen are a British rock band formed in London in 1970. They originally consisted of Freddie Mercury (lead vocals, piano), Brian May (guitar, vocals), John Deacon (bass guitar), and Roger Taylor (drums, vocals).