Ana María Ochoa, Associate Professor, The Department of Music Columbia University and Director Center for Ethnomusicology of the same institution. Her interest in sound studies derives from research on practices of musical exchange and the relationship between listening and the politics of knowledge in Latin America and the Caribbean. Her main books are Entre los Deseos y los Derechos. Un Ensayo Crítico sobre Políticas Culturales. Bogotá: Instituto Colombiano de Antropología e Historia (2003); Músicas Locales en Tiempos de Globalización. Buenos Aires: Editorial Norma (2003); Aurality and the Politics of Knowledge in Nineteenth Century Colombia (Duke University Press, forthcoming); Translated to Spanish as: El Oído en la Letra (Buenos Aires: Corregidor, forthcoming).