Cheryl Elizabeth Gamble, better known by her stage name Coko, is an American singer-songwriter best known as the lead singer of the R&B vocal trio Sisters With Voices. Aside from her R&B career, Gamble also has a solo gospel career. As a member of SWV, Coko has sold 10 million records in the US, and 25 million records worldwide, and is a four-time Grammy Award nominee.