Is This What You Want? add backing vocals to "Dear Prudence" in late August; he had also joined the backing chorus for "Hey Jude" earlier that month. The songs recorded included "Sour Milk Sea" and "The Eagle Laughs at You", for the A- and B-side of Lomax's debut single on Apple, and "You've Got Me Thinking". Among the guest musicians on the London sessions, much of which would go unused, were Eric Clapton, Ringo Starr, Nicky Hopkins, Klaus Voormann and Paul McCartney. Other participants included drummers Bishop O'Brien and Pete Clark; the former was part of Apple artist James Taylor's backing group, while Clark was
Is This What You Want? John Barham would be credited for orchestration on "Is This What You Want?", Beatles producer George Martin can be heard on "Get Back" audio tapes from 10 January wondering whether Harrison, who had just walked out on the band, would be attending a strings overdubbing session Martin had arranged that evening for one of Lomax's tracks. Harrison originally considered giving his most successful composition, "Something", to Lomax to record,<ref name="Lewisohn/Mojo">Mark Lewisohn, "Something Else", in "Mojo Special Limited Edition", p. 118.</ref> after Lennon and McCartney had shown little interest in it during the "Get Back" sessions. Harrison instead offered the song