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,
Det sjungande trädet (opera) Det sjungande trädet (opera) Det sjungande trädet ("The Singing Tree") Op.110 is an opera in two acts by the Finnish composer Erik Bergman. The Swedish-language libretto, based on a Swedish fairy tale, was written by Bo Carpelan. The opera premiered on 3 September 1995 at the Helsinki Opera House. "Det sjungande trädet" was Bergman's only full-length opera and was composed between 1986 and 1988 as a commission from the Finnish National Opera. Prior to that, the closest he had come to the operatic genre was his 1971 "Samothrake" Op. 69, a 12-minute "musico-dramatic tableau" for speaker, mixed choir, and dancers.