an Entity references as follows:
Le nozze di Figaro / Mozart, comp.; Ingwar Wixell, BAR (Il Conte di Almaviva); Jessye Norman, S (La Contessa di Almaviva); Mirella Freni, S (Susanna)... [et al.]; BBC orchestra and chorus; Peter Gellhorn, chef de choeur; Sir Colin Davis, dir. / Mozart, comp.; Ingwar Wixell, BAR (Don Giovanni); Luigi Roni, B (Il commendatore); Martina Arroyo, S (Donna Anna)... [et al.]; orchestra and chorus of the Royal Opera house, Covent Garden; Sir Colin Davis, dir. / Mozart, comp.; Montserrat Caballé, S (Fiordiligi); Janet Baker, MS (Dorabella); Wladimiro Ganzarolli, B (Guglielmo)... [et al.]; orchestra and chorus of the Royal Opera house, Covent Garden; Sir Colin Davis, dir.