Fidelio abandoned "Vestas Feuer" for "Fidelio", and was eventually freed from his obligations to Schikaneder when the latter was fired from his post as theater director in 1804. "Fidelio" itself, which Beethoven began in 1804 immediately after giving up on "Vestas Feuer", was first performed in 1805 and was extensively revised by the composer for subsequent performances in 1806 and 1814. Although Beethoven used the title ' ("Leonore, or The Triumph of Married Love"), the 1805 performances were billed as "Fidelio" at the theatre's insistence, to avoid confusion with the 1798 opera ' by Pierre Gaveaux, and the 1804 opera "Leonora"
Eithne (opera) Eithne (opera) Eithne, also known as "Éan an Cheoil Bhinn" (The Bird of Sweet Music), is considered by many critics to be the first full-scale opera written and performed in the Irish language. It was written by English/Irish composer Robert O'Dwyer. The work saw its first performance at the Round Room in Dublin's Rotunda during the Oireachtas na Gaeilge, a festival of Irish culture, in 1909, conducted by the composer. It was performed again in May 1910 at the Gaiety Theatre, Dublin. The opera, based on a Gaeilge libretto written by Galway Reverend Thomas O'Kelly, covers three acts and includes