David Horn is Director of the Institute of Popular Music at the University of Liverpool. He was a founding editor of the journal Popular Music (Cambridge University Press) and is author of two bibliographies of American music. He is currently joint managing editor of The Encyclopedia of Popular Music of the World.

Mervyn Cooke is Professor of Music at the University of Nottingham. His books include studies of Britten's Billy Budd and War Requiem (Cambridge University Press), Britten and the Far East, Jazz, and The Chronicle of Jazz; he has also edited The Cambridge Companion to Benjamin Britten and (with David Horn) The Cambridge Companion to Jazz. He is currently writing a history of film music for Cambridge University Press, and is a co-editor of the ongoing and critically acclaimed edition of Britten's correspondence published by Faber. He is also active as a pianist and composer, his compositions having been broadcast on BBC Radio 3 and Radio France, and performed at London's South Bank and St John's Smith Square.