cellist, was born in New York City. Cumbo was inspired to pursue music by the careers of the great cellist Pablo Casals and the violinist and black musical comedy composer Will Marion Cook. He was educated in the city's public schools as well as at the Martin-Smith School of Music, where he became a protégé of Minnie Brown, and at the Institute of Musical Art (later the Juilliard School of Music), where he studied with Willem Willeke. He also studied with Leonard Jeter and Bruno Steindl in Chicago, Illinois. In 1920 Cumbo received special recognition as a featured soloist at the annual convention of the National Association of Negro Musicians in New York.
During the 1920s Cumbo became a part of the Negro String Quartet, with Felix Weir as first violinist, Arthur Boyd as second violinist, Hall Johnson as violist and Cumbo as cellist They originally ...