Unlike the rest of his discography, the album features numerous guest appearances by established artists, such as Bruce Hornsby, Elton John and George Harrison. Additionally, session musicians like pianist Al Kooper and guitarist Waddy Wachtel appear throughout the album. The album opener, "Wiggle Wiggle", also features Slash on guitar, while "10,000 Men" features Stevie Ray Vaughan. The title track features a "fine guitar solo" by George Harrison; Heylin has called this track an "important song", noting that it has been a staple of Dylan's live performances.