Yolanda Whittaker on August 4, 1971) is a Grammy nominated American hardcore rapper known primarily among hip hop fans and music critics during the 1990s. Much of her music has advocated female empowerment, denouncing the frequent sexism found in rap music. Yo-Yo dubbed her rap crew the IBWC, which stood for the Intelligent Black Woman's Coalition. Yo-Yo first appeared as a guest on Ice Cube's AmeriKKKa's Most Wanted album in 1990. Her critically acclaimed debut was 1991's Make Way for the Motherlode.