Question: What country singer's album contained a song written by Paul McCartney?
Sentence (from "Unchained Melody: The Early Years"): The album contains cover versions of "I Want to Be a Cowboy's Sweetheart" by Patsy Montana, "Blue Moon of Kentucky" by Bill Monroe, "I Will Always Love You" by Dolly Parton, "Yesterday" by The Beatles.
Relevant evidence: Yes