Cheryl Elizabeth Gamble, known professionally as Coko, is an American singer-songwriter best known as the lead singer of the R&B vocal trio Sisters With Voices (SWV). Aside from her R&B career, Gamble also has a solo gospel career. As a member of SWV, Coko has sold over 5.4 million albums worldwide, a further 6.5 million singles in the United States, and is a four-time Grammy Award nominee.