Original sentence: Black Sabbath are an English rock band, formed in Birmingham in 1968 by Ozzy Osbourne (lead vocals), Tony Iommi (guitar), Geezer Butler (bass), and Bill Ward (drums and percussion)
Edited sentence: Black Sabbath are an English metal band, formed in Birmingham in 1968 by Ozzy Osbourne (lead vocals), Tony Iommi (guitar), Geezer Butler (bass), and Bill Ward (drums and percussion)