The German libretto was by Joseph Gregor. The opera is based loosely on the mythological figure Daphne from Ovid's Metamorphoses and includes elements taken from The Bacchae by Euripides.
A German-language libretto by Joseph Gregor serves as the basis for this opera, which draws inspiration from the mythological tale of Daphne in Ovid's Metamorphoses and incorporates themes from Euripides' The Bacchae.