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 "Richard Marx"): Although some of his major hit songs were ballads, many of his songs have had a classic rock style, such as "Don't Mean Nothing," "Should've Known Better," "Satisfied," and "Too Late to Say Goodbye."
Relevant evidence: No