Graham Stack  has written and produced hit records for many artists including a singer who relinquished her American what?
Tina Turner Tina Turner (born Anna Mae Bullock; November 26, 1939), is an American-born Swiss recording singer, songwriter, dancer, actress, and author. Born and raised in the Southeastern United States, Turner relinquished her American citizenship after obtaining Swiss citizenship in 2013.
Anita O'Day Anita O'Day (born Anita Belle Colton; October 18, 1919 – November 23, 2006) was an American jazz singer widely admired for her sense of rhythm and dynamics, and her early big band appearances that shattered the traditional image of the "girl singer". Refusing to pander to any female stereotype, O'Day presented herself as a "hip" jazz musician, wearing a band jacket and skirt as opposed to an evening gown. She changed her surname from Colton to O'Day, pig Latin for "dough", slang for money.