Chicago – 25 Or 6 To 4 – 7/21/1970 – Tanglewood (Official)

Chicago – 25 or 6 to 4
Recorded Live: 7/21/1970 – Tanglewood – Lenox, MA
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Personnel:
Robert Lamm – keyboards, lead vocals
Terry Kath – guitar, lead vocals
Peter Cetera – bass, lead vocals
James Pankow – trombone, percussion
Lee Loughnane – trumpet, percussio, background vocals
Walter Parazaider – woodwinds, percussion, background vocals
Daniel Seraphine – drums