Question: What is the name of a backing vocalist on "It Hurts to Be in Love" , by Gene Pitney, an American singer-songwriter, musician, and sound engineer?
Sentence (from "Toni Wine"): Toni Wine (born June 4, 1947 in Washington Heights, New York City, United States) is an American pop music songwriter, who wrote songs for such artists as The Mindbenders ("A Groovy Kind of Love"), Tony Orlando and Dawn ("Candida"), Elvis Presley, and Checkmates, Ltd. ("Black Pearl") in the late 1960s and 1970s.
Relevant evidence: Yes