Premise: Peter Cetera . With `` If You Leave Me Now , '' a song written and sung by Cetera on the group 's tenth album , Chicago garnered its first Grammy Award . That same year Cetera and Amy Grant , who duetted on `` The Next Time I Fall , '' were nominated for a Grammy Award for best vocal performance by a pop duo or group .
Hypothesis: Peter Cetera was a musician.
Label: ENTAILMENT