Heritage Signature Chorale preserves the tradition of African-American music, especially the Negro Spiritual and embraces an interpretation of classical music. Stanley J. Thurston, Artistic Director The Heritage Signature Chorale is committed to preserving, at the highest possible level, ther performance tradition of African-American choral music, especially the Negro Spritual; to elevating the African-American singer and composer in all music genres; and to bring a unique interpretation of classical music from America,