Singer Raul Malo performs “Siboney” with Eliades Ochoa’s band. Ochoa is best known for his work in the Grammy-winning Cuban ensemble Buena Vista Social. Club. Great Performances and Latino Public Broadcasting’s VOCES present Havana Time Machine on Friday October 6 at 9PM on PBS. Singer Raul Malo of The Mavericks explores his Cuban heritage in this breakthrough performance documentary.