Dallas International Motor Speedway,
Lewisville, Texas
Excellent stereo soundboard
Tracks 1-5: August 30, 1969
Tracks 6-7: August 31, 1969
Robert Lamm - keyboards
Terry Kath - guitar
Peter Cetera - bass
Danny Seraphine - drums
Walter Parazaider - woodwinds
Lee Loughnane - trumpet
James Pankow - trombone