track listing bonus tracks on rhino re-issue : the band peter cetera - bass , vocals donnie dacus - guitar , vocals laudir de oliveira - percussion robert lamm - keyboards , vocals lee loughnane - trumpet , vocals james pankow - trombone walter parazaider - woodwinds danny seraphine - drums additional personnel david '' hawk '' wolinski - synthesizer on '' street player '' airto moreira - percussion on '' street player '' , '' paradise alley '' , '' life is what it is '' and '' run away '' maynard ferguson - trumpet on '' street player '' '' p.c. moblee '' - lead vocals on '' window dreamin ' '' and '' aloha mama '' ( moblee was actually peter cetera singing in a lower register .