Rescue opera tradition that would influence German Romantic opera and French grand opera. The most famous rescue opera is Ludwig van Beethoven's "Fidelio". "Rescue opera" was not a contemporary term. Dyneley Hussey used the term in English in 1927 as a translation of Karl M. Klob's 1913 reference to "Fidelio" as "das sogenannte Rettungs- oder Befreiungsstück" in "Die Oper von Gluck bis Wagner". David Charlton believes that rescue opera is not an authentic genre, and that the concept was coined to make what he believes is a nonexistent connection between Beethoven's work and French opera. Patrick J. Smith, on the other hand,
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