A Masked Ball Composer Giuseppe Verdi Librettist Antonio Somma Based On a libretto by Eugene Scribe for Daniel Auber's opera Gustave III, ou Le Bal masque Company San Francisco Opera Association Touring Location Sacramento, CA Venue Sacramento Memorial Auditorium Season 1961 Language Italian Creative/Crew Conductor Francesco Molinari-Pradelli Stage Director(s) Dino Yannopoulos Scenic revision Ming Cho Lee Chorus Director Vincenzo Giannini Choreographer Lew Christensen Costumers Goldstein & Co. Cast Count Horn (Samuele) Plinio Clabassi Count Warting (Tommaso) Andrew Foldi Oscar (Edgar), a page Graziella Sciutti Gustavus III, King of Sweden (Riccardo) Albert Lance Count Anckarstroem (Renato), the king's secretary Cornell MacNeil Judge Raymond Nilsson Ulrica, a sorceress Janis Martin Silvano, a Sailor Donald Drain The Countess's servant Winther Andersen Countess Anckarstroem (Amelia) Gré Brouwenstijn Show Dates Sun, Oct 22 1961, 7pm Time and Place 1792, Sweden Scenes Act I, Scene 1 -- The king's audience chamber Scene 2 -- Ulrica's cave Act II -- A clearing in a lonely forest Act III, Scene 1 -- A room in Count Anckarstroem's mansion Scene 2 -- A room in the royal palace Scene 3 -- The royal ballroom Notes Corps de Ballet