Credit

• Acoustic Guitar - James William Guercio (B4)
• Alto Saxophone - Walter Parazaider (C2)
• Arranged By [Brass] - James Pankow (B1, B3, C1, C2, D2 to D4)
• Arranged By [Brass] - Robert Lanini
• Artwork [Inner Sleeves] - Frederic Remington
• Backing Vocals - Al Jardine
• Backing Vocals - Carl Wilson (D1)
• Backing Vocals - Dennis Wilson (2) (D1)
• Backing Vocals - James Pankow (C1)
• Backing Vocals - Lee Loughnane (B3, C1, C3, D2)
• Backing Vocals - Peter Cetera (B3, C3, D1, D2)
• Backing Vocals - Robert Lanini
• Backing Vocals - Terry Kath (B3, C1, C3)
• Bass - James William Guercio (C3)
• Bass - Peter Cetera (A2 to B2, C1, C2, D2, D3)
• Bass - Terry Kath (B3, B4, C4, D1, D4)
• Bells - Terry Kath (C3)
• Clavinet - Robert Lanini
• Congas - Guille Garcia (C2, C4, D2, D4)
• Congas - Laudir De Oliveira (A2, B1, C1)
• Design [Cover] - John Berg
• Design [Cover] - Nick Fasciano
• Drums - Danny Seraphine
• Drums - Ross Salomone (D4)
• Electric Guitar - Terry Kath (B4)
• Electric Piano [Fender Rhodes] - David J. Wolinski
• Electric Piano [Fender Rhodes] - Robert Lanini
• Engineer - Jeff Guercio
• Engineer - Wayne Tarnowski
• Flugelhorn - Lee Loughnane (A3, B2)
• Flute - Walter Parazaider (A1, A2)
• Guitar - James William Guercio (D1)
• Guitar - Peter Cetera (D1)
• Guitar - Terry Kath (A2 to B3, C1 to C4, D2, D3)
• Hihat, Bass Drum - Danny Seraphine
• Keyboards - Robert Lanini
• Lead Vocals - Lee Loughnane (C3)
• Lead Vocals - Peter Cetera (C1, D1 to D3)
• Lead Vocals - Robert Lanini
• Mellotron - David J. Wolinski
• Mellotron - Robert Lanini
• Mixed By - Phil Ramone
• Noises [Optional Party Background Noises] - Bobbi Roen
• Noises [Optional Party Background Noises] - Camelia Ortiz
• Noises [Optional Party Background Noises] - Diane Nini
• Noises [Optional Party Background Noises] - Hank Steiger
• Noises [Optional Party Background Noises] - Julie Nini
• Percussion - Danny Seraphine
• Percussion - Guille Garcia (B4)
• Percussion - James Pankow (C1)
• Percussion - Laudir De Oliveira (A1, A3, B1, B4, C2, C4, D1, D2)
• Photography By - Urve Kuusik
• Piano - David J. Wolinski
• Piano - Robert Lanini
• Piano - Wayne Tarnowski (C4)
• Producer - James William Guercio
• Recorded By [Strings] - Armin Steiner
• Soprano Saxophone - Walter Parazaider (A3)
• Strings - Jimmie Haskell (C1)
• Synthesizer [ARP] - David J. Wolinski
• Synthesizer [ARP] - Robert lanini
• Tenor Saxophone - Walter Parazaider (B1, B3, C1, D2 to D4)
• Timbales - James Pankow (C2)
• Trombone - James Pankow (A2 to B3, C1, C2, D1 to D4)
• Trumpet - Lee Loughnane (A2, B1 to B3, C1, C2, D1 to D4)
• Typography [Lettering] - Doris Halle
• Vocals - James Pankow (C2)
• Vocals - Peter Cetera (B4, C2, D1)
• Vocals - The Pointer Sisters
• Vocals - Robert Lanini
• Vocals - Terry Kath (C4)
• Backing Vocals - Lee Loughnane (C1, C3, D2)
• Backing Vocals - Peter Cetera (C3, D1, D2)
• Backing Vocals - Robert Lamm (C1, C3, D2)
• Backing Vocals - Terry Kath (C1, C3)
• Bass - Peter Cetera (C1, C2, D2, D3)
• Bass - Terry Kath (C4, D1, D4)
• Congas - Guille Garcia (C2, C4, D2, D4)
• Drums - Danny Seraphine
• Electric Piano [Fender Rhodes] - Robert Lamm (D2, D4)
• Guitar - Terry Kath (C1 to C4, D2, D3)
• Lead Vocals - Peter Cetera (C1, D1 to D3)
• Percussion - Laudir De Oliveira (C2, C4, D1, D2)
• Piano - Robert Lamm (C1, C2, D1)
• Producer - James William Guercio
• Synthesizer - David J. Wolinski
• Tenor Saxophone - Walter Parazaider (C1, D2 to D4)
• Trombone - James Pankow (C1, C2, D1 to D4)
• Trumpet - Lee Loughnane (C1, C2, D1 to D4)