Cher and Peter Cetera are renowned solo artists known for their significant contributions to pop music. Cher's versatile style, spanning pop, rock, and folk, coupled with her distinguishable contralto voice, has solidified her as a pop culture icon; her most notable work includes the hit "Believe". Peter Cetera, originally the lead singer of the rock band Chicago, is recognized for his distinct tenor voice and soft rock ballads like "Glory of Love". While they have not frequently collaborated, their duet "After All" reached number six on the Billboard Hot 100 in 1989, demonstrating their shared knack for creating resonant pop music.