Chicago, an American band formed in Chicago, Illinois in 1967, started out as The Big Thing with six (6) members, Danny Seraphine, James Pankow, Lee Loughnane, Robert Lamm, Terry Kath, and Walter Parazaider.
“If You Leave Me Now,” from the 1976 “Chicago 10” studio album was led by Peter Cetera in the key of B major (B).
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