Mary Ann Fisher was an American rhythm and blues singer, best known for her work with Ray Charles in the 1950s. Her soulful voice and emotive delivery were key elements in Charles' band, contributing significantly to the development of his early sound. Fisher's most notable songs include "What Kind of Man Are You" and "I Can't Face It", both of which showcase her vocal prowess and stylistic versatility. Despite her relatively brief career, Fisher's contributions to rhythm and blues music have left a lasting impact on the genre.