Premise: Chicago is an American rock band formed in 1967 in Chicago , Illinois . Original band members Peter Cetera , Robert Lamm , and James Pankow are among the 2017 Songwriters Hall of Fame inductees for their songwriting efforts as members of the music group , Chicago . Peter Paul Cetera ( [ səˈtɛrə ] ; born September 13 , 1944 ) is an American singer , songwriter , and bassist best known for being an original member of the rock band Chicago ( 1967 -- 1985 ) , before launching a successful solo career .
Hypothesis: Peter Cetera was in a band.
Label: ENTAILMENT