Fidelio by Ferdinando Paer (a score of which was owned by Beethoven). Beethoven published the 1806 libretto and, in 1810, a vocal score under the title "Leonore", and the current convention is to use the name "Leonore" for both the 1805 (three-act) and 1806 (two-act) versions and "Fidelio" only for the final 1814 revision. The first version with a three-act German libretto adapted by Joseph Sonnleithner from the French of Jean-Nicolas Bouilly premiered at the Theater an der Wien on 20 November 1805, with additional performances the following two nights. The success of these performances was hindered by the fact that
The Silver Tassie (opera) The Silver Tassie (opera) The Silver Tassie is an opera in four acts by the English composer Mark-Anthony Turnage. The English libretto was written by Amanda Holden based on the 1927/28 play of the same name by Seán O'Casey. The opera was composed between 1997 and 1999. The "Silver Tassie" was commissioned by English National Opera (ENO) while Turnage was their Composer in Association and benefited from being worked on at the ENO Studio. It was part funded by Dallas Opera. In an interview for the programme for the ENO production, Turnage talks about treating the four acts as the