Page, Kevin; Nurmikko-Fuller, Terhi; Rindfleisch, Carolin; Lewis, Richard; Dreyfus, Laurence and Roure, David De. 2015. 'A toolkit for live annotation of opera performance: Experiences capturing Wagner's Ring Cycle'. In: Proceedings of the International Society for Music Information Retrieval Conference (ISMIR 2015). Malaga, Spain. [Conference or Workshop Item]