art direction H. Keller
compilation producer Cheryl Pawelski
compilation producer Mike Engstrom
congas, percussion, vocals Laudir de Oliveira
design Jean Krikorian
design [cover design] Mark Rosenmeier
design [end page designs] Al Mainwaring
design [end page designs] Arnaud Leger
design [end page designs] Ashley Underwood
design [end page designs] Craig Stephen
design [end page designs] Dick T. Cole
design [end page designs] Don Garlock Jr.
design [end page designs] Jim Jamitis
design [end page designs] Joshua Banker
design [end page designs] Vincent Gonzales
drums Tris Imboden
drums, percussion, vocals Daniel Seraphine
guitar Bruce Gaitsch
guitar Chris Pinnick
guitar, vocals Dawayne Bailey
guitar, vocals Keith Howland
liner notes Bill DeYoung
mastered by [remastering] Dave Donnelly
photography by Jimmy Katz
tracks 2-3 to 2-8 producer David Foster
tracks 1-1 to 2-1 producer James William Guercio
tracks 2-9, 2-10. 2-12 producer Ron Nevison
supervised by [editorial supervision] Sheryl Farber
supervised by [editorial supervision] Vanessa Atkins
technician [audio supervision] Jeff Magid
trombone, vocals James Pankow
trumpet, flugelhorn, vocals Lee Loughnane
vocals, bass Jason Scheff
vocals, bass Peter Cetera
vocals, guitar Donnie Dacus
vocals, guitar Terry Kath
vocals, keyboards Robert Lamm
vocals, keyboards, guitar Bill Champlin
woodwind, vocals Walter Parazaider
tracks 2-3, 2-4, 2-6, 2-7 written-by David Foster
tracks 1-4, 1-6, 1-8 to 1-10, 1-13 written-by James Pankow
tracks 1-8, 1-12, 1-15 to 2-4, 2-6 written-by Peter Cetera
tracks 1-1 to 1-3, 1-5, 1-7, 1-14 written-by Robert Lamm
Marketed By Rhino Entertainment Company
Phonographic Copyright (p) Rhino Entertainment Company
Copyright (c) Rhino Entertainment Company
Glass Mastered At Cinram, Olyphant, PA
Glass Mastered At Cinram, Olyphant, PA
Pressed By Cinram, Olyphant, PA
Chicago Is:
Robert Lamm: Vocals, Keyboards
Lee Loughnane: Trumpet, Flugelhorn, Vocals
James Pankow: Trombone, Vocals
Walter Parazaider: Woodwinds, Vocals
Bill Champlin: Vocals, Keyboards, Guitar
Jason Scheff: Vocals, Bass
Tris Imboden: Drums
Keith Howland: Guitar, Vocals

Not Forgeting...
Terry Kath (1967-1978): Vocals, Guitar
Peter Cetera (1967-1985): Vocals, Bass
Danny Seraphine (1967-1990): Drums, Percussion, Vocals
Laudir De Oliveira (1973-1981): Congas, Percussion, Vocals
Donnie Dacus (1978-1979): Vocals, Guitar
Chris Pinnick (1980-1985): Guitar
Dawayne Bailey (1986-1995): Guitar, Vocals
Bruce Gaitsch (1995): Guitar

Barcode: 081227996161
Matrix / Runout: X29573 3 R2 309116-2.1 01 M1S12 (CD 1, Variant 1)
Mastering SID Code: ifpi L902 (CD 1 Variant 1)
Mould SID Code: IFPI 2U7C (CD 1, Variant 1)
Matrix / Runout: X29607 3 R2 309116-2.12 RE-1 01 M1S14 (CD 2, Variant 1)
Mastering SID Code: ifpi L902 (CD 2, Variant 1)
Mould SID Code: IFPI 2U7P (CD 2, Variant 1)
Matrix / Runout: X29573 3 R2 309116-2.1 01 M1S4 (CD 1, Variant 2)
Mastering SID Code: ifpi L902 (CD 1, Variant 2)
Mould SID Code: IFPI 2U8A (CD 1, Variant 2)
Matrix / Runout: X29607 3 R2 309116-2.2 RE-1 01 M1S2 (CD 2, Variant 2)
Mastering SID Code: ifpi L902 (CD 2, Variant 2)
Mould SID Code: IFPI 2U8 (CD 2, Variant 2)
Matrix / Runout: X29573 3 R2 309116-2.1 01 M2S4 (CD 1, Variant 3)
Mastering SID Code: ifpi L902 (CD 1, Variant 3)
Mould SID Code: IFPI 2U8I (CD 1, Variant 3)
Matrix / Runout: X29607 3 R2 309116-2.2 RE-1 01 M2S2 (CD 2, Variant 3)
Mastering SID Code: ifpi L902 (CD 2, Variant 3)
Mould SID Code: IFPI 2U8D (CD 2, Variant 3)
Matrix / Runout: X29573 3 R2 309116-2.1 01 M1S4 (CD 1, Variant 4)
Mastering SID Code: ifpi L902 (CD 1, Variant 4)
Mould SID Code: IFPI 2U7C (CD 1, Variant 4)
Matrix / Runout: X29607 3 R2 309116-2.2 RE-1 01 M1S6 (CD 2, Variant 4)
Mastering SID Code: ifpi L902 (CD 2, Variant 4)
Mould SID Code: IFPI 2U7H (CD 2, Variant 4)
Matrix / Runout: X29573 3 R2 309116-2.1 01 M1S4 (CD 1, Variant 5)
Mastering SID Code: ifpi L902 (CD 1, Variant 5)
Mould SID Code: IFPI 2UA3 (CD 1, Variant 5)
Matrix / Runout: X29607 3 R2 309116-2.2 RE-1 01 M1S2 (CD 2, Variant 5)
Mastering SID Code: ifpi L902 (CD 2, Variant 5)
Mould SID Code: IFPI 2U7G (CD 2, Variant 5)