Garcia – percussion (7), congas (9, 11, 13, 15) Jimmie Haskell – strings (8) Bobbi Roen, Camelia Ortiz, Diane Nini, Hank Steiger and Julie Nini – background party noises (9) Al Jardine, Carl Wilson and Dennis Wilson – backing vocals (12) The Pointer Sisters – backing vocals (15) Production Produced by James William Guercio Engineered by Wayne Tarnowski and Jeff Guercio Strings recorded by Armin Steiner at Sound Labs (Hollywood, CA). Mixed by Phil Ramone Cover Photo – John Berg and Nick Fasciano Photography – Urve Kuusik Charts Weekly charts Year-end charts Certifications Notes and references Chicago (band) albums 1974 albums Albums produced by James William Guercio Columbia Records albums