His reputation was made with the "Beats of the Heart" series, which introduced elements of what is now called world music, and its performers, to the Western world. "Rhythms of Resistance", a film in the series, was where Paul Simon first saw Ladysmith Black Mambazo, who played a prominent role on Simon’s Graceland album. "The New York Times" said of "Beats of the Heart": "It can make your jaw drop regularly with astonishment." He has run director courses for the National Film and Television School, sat on the advisory boards for the British Library Sound Archive and the Arts Council of England, has broadcast widely on BBC radio, has written for "The Times", "New York Post" and "The Independent".