 The chorus of the song is supported with a horn arrangement by Del Newman, and features backing vocals by Carl Wilson and Bruce Johnston of the Beach Boys and Toni Tennille.The original backing vocalists were Cat Stevens, Danny Hutton, Gerry Beckley, Dusty Springfield and Brian Wilson but according to Bruce "everyone was afraid of one another and I couldn't get a performance out of anyone".Also on the song are percussion accents provided by Ray Cooper and a mellotron played by Dave Hentschel.