In retrospect, it might be telling that Burt Bacharach’s first recorded song, “Once in a Blue Moon,” was cut in 1952 by Nat “King” Cole. From those earliest days, Bacharach and his lyrical partner Hal David saw their songs recorded by a host of African-American artists: Johnny Mathis, Gene McDaniels, Joe Williams, Lena Horne, and Etta James among them. Once the duo began to change the sound of American music with their ultra-cool, sophisticated pop-soul compositions, those songs were most