Rusalka
Rusalka, Op. 114, is an opera by Antonín Dvořák. The Czech libretto was written by the poet Jaroslav Kvapil based on the fairy tales of Karel Jaromír Erben and Božena Němcová. A rusalka is a water sprite from Slavic mythology, usually inhabiting a lake or river. Rusalka was the ninth opera Dvořák composed.