Barley Norton is a senior lecturer in ethnomusicology at Goldsmiths, University of London. He has carried out extensive field research in Vietnam and other countries in Southeast Asia and is the author of Songs for the Spirits: Music and Mediums in Modern Vietnam (2009). As part of a Getty-funded research project on experimental music performance in Vietnam, he made the ethnographic film Hanoi Eclipse: The Music of Dai Lam Linh (2010), which has been screened at numerous international film festivals.