Chicago is an American rock band formed in Chicago, Illinois, in 1967. Self-described as a "rock and roll band with horns", their songs often also combine elements of classical music, jazz, R&B, and pop music. Growing out of several bands from the Chicago area in the late 1960s, the original line-up consisted of Peter Cetera on bass, Terry Kath on guitar, Robert Lamm on keyboards, Lee Loughnane on trumpet, James Pankow on trombone, Walter Parazaider on woodwinds, and Danny Seraphine... [more on Wikipedia]