ALEXANDER KNAPP was the Joe Loss Lecturer in Jewish Music at the School of Oriental and African Studies until his retirement in 2006. His numerous articles on Jewish music, and Bloch, have been published in journals including Proceedings of the Royal Musical Association, Journal of the American Musicological Society and Musica Judaica. His Anthology of Essays in Jewish Music (Youtai Yinyue Lunwenji) was published by the Chinese Academy of Arts in 1998. A trustee of the Jewish Music Institute, his awards include a Winston Churchill Travelling Fellowship to North America to study religious art.