Hansel and Gretel (opera) Hansel and Gretel (opera) Hansel and Gretel (German: ) is an opera by nineteenth-century composer Engelbert Humperdinck, who described it as a "" (fairy-tale opera). The libretto was written by Humperdinck's sister, Adelheid Wette, based on the Grimm brothers' fairy tale "Hansel and Gretel". It is much admired for its folk music-inspired themes, one of the most famous being the "" ("Evening Benediction") from act 2. The idea for the opera was proposed to Humperdinck by his sister, who approached him about writing music for songs that she had written for her children for Christmas based on "Hansel and Gretel".
Tristan und Isolde Tristan und Isolde Tristan und Isolde ("Tristan and Isolde", or "Tristan and Isolda", or "Tristran and Ysolt") is an opera, or music drama, in three acts by Richard Wagner to a German libretto by the composer, based largely on the 12th-century romance "Tristan" by Gottfried von Strassburg. It was composed between 1857 and 1859 and premiered at the Königliches Hof- und Nationaltheater in Munich on 10 June 1865 with Hans von Bülow conducting. Wagner referred to the work not as an opera, but called it "eine Handlung" (literally "a drama", "a plot" or "an action"), which was the equivalent of