テリー・キャス、ピート・セテラ、ダニエル・セラフィンも在籍中のオリジナル・シカゴが、ニューヨークのカーネギー・ホールで71年に行なったコンサートの模様を収録。当時の熱気がギュッと詰まった、まさに大作ライヴです。Disc 4は、なんと、まるまる一枚、未発表音源収録!!

[Disc 1]
01. In The Country
02. Fancy Colours
03. Does Anybody Really Know What Time It Is? (Free Form Intro)
04. Does Anybody Really Know What Time It Is?
05. South California Purples
06. Question 67 And 68
07. Sing A Mean Tune Kid
08. Beginnings

[Disc 2]
01. It Better End Soon - 1st Movement
02. It Better End Soon - 2nd Movement (Flute Solo)
03. It Better End Soon - 3rd Movement (Guitar Solo)
04. It Better End Soon - 4th Movement (Preach)
05. It Better End Soon - 5th Movement
06. Introduction
07. Mother
08. Lowdown
09. Flight 602
10. Motorboat To Mars
11. Free
12. Where Do We Go From Here
13. I Don't Want Your Money

[Disc 3]
01. Happy 'Cause I'm Going Home
02. Make Me Smile
03. So Much to Say, So Much To Give
04. Anxiety's Moment
05. West Virginia Fantasies
06. Colour My World
07. To Be Free
08. Now More Than Ever
09. A Song For Richard And His Friends
10. 25 Or 6 To 4
11. I'm A Man

[Disc 4: Previously Unissued]
01. Listen
02. Introduction
03. South California Purples
04. Loneliness is Just A Word
05. Nasaltones
06. Sing A Mean Tune Kid
07. An Hour In The Shower: A Hard Risin' Morning Without Breakfast/Off To Work/Fall' Out/Dreamin' Home/Morning Blues Again
8.25 Or 6 To 4