Watch Slaves to the Rhythm (2008) : Full Movie Online Free In 2004, Trevor Horn celebrated 25 years as one of the world's most successful music producers. At Slaves To The Rhythm, a unique Wembley concert in aid of The Prince's Trust, thirteen of his best-selling acts, guest musicians and a full backing orchestra came together to help celebrate - over two hours of electrifying music, in one place, at one time, for one man. All the energy and excitement of these performances is captured on this perfectly mixed DVD.