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
What Wondrous Love Is This of his "American Hymnsong Suite" (2003) for concert band. In 1966, the United Methodist "Book of Hymns" became the first standard hymnal to incorporate "What Wondrous Love Is This". "What Wondrous Love Is This" is now a widely known hymn and is included in many major hymnals, including the "Baptist Hymnal", "Book of Praise" (Presbyterian), "Chalice Hymnal" (Christian Church (Disciples of Christ)), "Common Praise" (Anglican), "The Hymnal 1982" (Episcopalian), "Lutheran Book of Worship", "New Century Hymnal" (United Church of Christ), "Presbyterian Hymnal", "Voices United" (United Church of Canada), "The Worshipping Church" (interdenominational), "Worship" (Roman Catholic), and "Singing the Living Tradition"