Fidelio

Fidelio is an opera in two acts by Ludwig van Beethoven. It is Beethoven's only opera. The German libretto is by Joseph Sonnleithner from the French of Jean-Nicolas Bouilly. The opera tells how Leonore, disguised as a prison guard named "Fidelio," rescues her husband Florestan from death in a political prison.

The Overtures to Fidelio

Beethoven struggled to produce an appropriate overture for Fidelio, and ultimately went through four versions. His first attempt, for the 1805 premiere, is believed to have been the overture now known as Leonore No. 2. Beethoven then focused this version for the performances of 1806, creating Leonore No. 3. The latter is considered by many listeners as the greatest of the four overtures, but as an intensely dramatic, full-scale symphonic movement it had the defect of overwhelming the (rather light) initial scenes of the opera. Beethoven accordingly experimented with cutting it back somewhat, for a planned 1807 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.

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Felix Mendelssohn introduced the practice, common until the middle of the twentieth century, of performing Leonore No. 3 between the two scenes of the second act, and some conductors still perform it there. In this location, it acts as a kind of musical reprise of the rescue scene that has just taken place.

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