Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Duenna by Gerhard, R., Sib 15 Ġun 1996, Minn (1996/1996), Immexxi minn Helena Kaut-Howson,, Surmast Direttur Antoni Ros-Marbà, Martin Pickard, Leeds Grand Theatre, Leeds, United Kingdom