Question: "If You Ever Leave Me" is a vocal duet between Barbra Streisand and Vince Gill, The song was written by which American adult contemporary and pop/rock singer, songwriter, musician and record producer who has sold over 30 million records?
Sentence (from "If You Ever Leave Me"): It first appeared as a single on Streisand's 1999 album, A Love Like Ours.
Relevant evidence: No