"tival of Negro Arts (1967), the official documentary film of the 1966 festival held in Dakar, Senegal, which over 2,000 writers, artists, and performers from throughout the African Diaspora attended, including Duke Ellington, Langston Hughes, Alvin Ailey, L??opold S??dar Senghor, and Aim?? C??saire, and other artists, performers, and dignitaries from 30 countries; and Gilles Elie-dit-Cosaque???s Z" . . . . . . .