Coko and Justine Frischmann both enjoyed what music profession?
Coko:  Gamble is best known as the lead singer of the American R&B vocal trio Sisters With Voices (SWV). Justine Frischmann: Justine Elinor Frischmann (born 16 September 1969) is an English artist and former musician, best known for being the lead singer of the Britpop band Elastica.
lead singer