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