My favorite part of Cher’s recently published memoir, bar none, is the biographical note: “Cher is a global icon.” Virtually any other celebrity would be required to rehearse a slew of accolades. Under Sonny’s tutelage, she sang backup on several Spector recordings, including the Ronettes' “Be My Baby” and the Righteous Brothers’ “You’ve Lost that Loving Feeling.” We need your …