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.