Ormindo

Singers were as follows: Amida -John Reardon; Erice - Michael Best; Ormindo - Frank Poretta; Sicle -Evelyn Mandac; Erisbe- Benita Valente.

The United States premiere of the opera was given by the Juilliard Opera Theatre at Lincoln Center in New York City on April 25, 1968 with a cast that included Grayson Hirst in the title role, Robert Shiesley as Amida, Alan Ord as Hariadeno, Barbara Shuttleworth as Erisbe, Joanna Bruno as Nerillo, Wilma Shakesnider as Sicle, Michael Best as Erice, Anita Terzian Titus as Mirinda, and Alan Titus as Osmano.

Peter Foster's edition was also used by The Harvard Early Music Society in its November, 2008 performance of the work, conducted by Matthew Hall and directed by Roy Kimmey.

The Baylor University School of Music performed the work in English on November 21–22, 2008 under the direction of Dr. Michael Johnson with conductor Dr. Andrew Hudson.

The Maghreb princes, Amida and Ormindo, who are assisting in the defense of Mauretania, are both in love with Erisbe who is unhappily married to Hariadeno, Fessa's elderly king.

However, Osmano substitutes a sleeping potion for the poison at the urging of Mirinda (Erisbe's confidante) who has promised to marry him if he spares the lovers.