The piano on the track is played by Rod Argent.īackground The Who performing in Charlotte, North Carolina, in 1971. The song was one of the band's biggest hits in North America, peaking at number 7 in Canada and at number 14 in the United States, and has become one of the band's signature tunes at their live shows. It was written by Pete Townshend and released as a double-A-sided single with the John Entwistle composition ' Had Enough', also featured on the album.
' Who Are You' is the title track on the Who's 1978 album, Who Are You, the last album released by the group before Keith Moon's death in September 1978.