Fidelio of overwhelming the (rather light) initial scenes of the opera. Beethoven accordingly experimented with cutting it back somewhat, for a planned 1808 performance in Prague; this is believed to be the version now called "Leonore No. 1". Finally, for the 1814 revival Beethoven began anew, and with fresh musical material wrote what we now know as the "Fidelio" overture. As this somewhat lighter overture seems to work best of the four as a start to the opera, Beethoven's final intentions are generally respected in contemporary productions. While some believe that Gustav Mahler introduced the practice of performing "Leonore No. 3"
Labyrinth (opera) Labyrinth (opera) Labyrinth is an opera in one act by composer Gian Carlo Menotti. The work was commissioned for television by the NBC Opera Theatre and uses an English language libretto by the composer. Unlike Menotti's previous television operas, such as "Amahl and the Night Visitors", this opera was written with no intention of being moved to live stage performance later. Menotti intended for this work to utilize the special effects unique to television which could not be recreated in live theatre. As a result, NBC's television production of the opera is the only performance the work has received. At