Graham Stack  has written and produced hit records for many artists including a singer who relinquished her American what?
Graham Stack (record producer) Graham Stack is an English born record producer and songwriter who has written and produced hit records for many artists including James Arthur, JLS, Kylie Minoque, Take That, LeAnn Rimes, Tina Turner, Girls Aloud, Atomic Kitten, Steps, Westlife, Donna Summer, Rod Stewart, Il Divo and Natalie Cole Natalie Cole.
Cissy Houston Emily "Cissy" Houston (née Drinkard; born September 30, 1933) is an American soul and gospel singer. After a successful career singing backup for such artists as Elvis Presley and Aretha Franklin, Houston embarked on a solo career, winning two Grammy Awards for her work. Houston is the mother of singer Whitney Houston, grandmother of Whitney's daughter, Bobbi Kristina Brown, aunt of singers Dionne and Dee Dee Warwick, and a cousin of opera singer Leontyne Price.