Fidelio some spoken dialogue, tells how Leonore, disguised as a prison guard named "Fidelio", rescues her husband Florestan from death in a political prison. Bouilly's scenario fits Beethoven's aesthetic and political outlook: a story of personal sacrifice, heroism, and eventual triumph. With its underlying struggle for liberty and justice mirroring contemporary political movements in Europe, such topics are typical of Beethoven's "middle period". Notable moments in the opera include the "Prisoners' Chorus" ("O welche Lust"—"O what a joy"), an ode to freedom sung by a chorus of political prisoners, Florestan's vision of Leonore come as an angel to rescue him, and
Found and Lost (opera) Found and Lost (opera) Found and Lost is a one-act opera by Emily Hall, first performed in January 2016, which "straddles the worlds of opera, art installation and promenade theatrical event". The opera, which lasts about 50 minutes, is to a libretto by Matthew Welton. It is described as "an opera installation...written using found texts within Corinthia Hotel London" – these texts include for example checklists for room service staff. The opera was created by the composer whilst she was an artist-in-residence at the Corinthia Hotel in London. The composer's brief was to write an opera to take place in