Who is the featured in the documentary,  Imagine the Sound, and is known for his passionately Afrocentric music of the late 1960s?
Imagine the Sound: Imagine the Sound is a 1981 Canadian documentary film about free jazz, directed by Ron Mann. Imagine the Sound:  It features interviews with and musical and dramatic performances by pianist Cecil Taylor, saxophonist Archie Shepp, trumpeter Bill Dixon and pianist Paul Bley. Archie Shepp: Archie Shepp (born May 24, 1937) is an American jazz saxophonist. Archie Shepp:  Shepp is best known for his passionately Afrocentric music of the late 1960s, which focused on highlighting the injustices faced by African Americans, as well as for his work with the New York Contemporary Five, Horace Parlan, and his collaborations with his "New Thing" contemporaries, most notably Cecil Taylor and John Coltrane.
Archie Shepp