Walter Aaron Clark is internationally renowned for his research on Spanish and Latin American music. He is the author of Oxford biographies on Isaac Albeniz and Enrique Granados, as well as the series editor of OUP's Currents in Latin American and Iberian Music. He has edited or co-edited books on Latin pop (Routledge), Ibero-American Renaissance music (Pendragon), and the first comprehensive textbook on Latin American music (Norton). He is the founder/director of the Center for Iberian and Latin American Music at the University of California, Riverside.; William Craig Krause began his research on Moreno Torroba in 1988, resulting in a presentation at the International Musicological Society conference in Madrid in 1992 and the completion of his dissertation in in 1993. Since that time he has authored or co-authored articles on this and related subjects in The Revised New Grove Dictionary of Music and Musicians, Diccionario de la Musica Espanola e Hispanoamericana, Die Musik in Geschichte und Gegenwart and Encuentros. While primarily a professor of musicology at Hollins University, he also has an extensive background in the field of arts administration and recently has developed a secondary area of interest in the music of Appalachia.