Peter Paul Cetera ( ; 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. His career as a recording artist encompasses seventeen albums with Chicago and eight solo albums. Using only the above description and what you know about the world, "Peter Paul Cetera will never be part of a band again." is definitely correct, incorrect, or inconclusive? 