Ballet in one act with choreography and libretto by Cullberg, music by Bartók (arranged by H. Sandberg), and designs by Alvar Grandstrom. Premiered 31 Oct. 1950 at the Riksteatern, Gaevle, Sweden, with Lagerborg, Béjart, and Inga Noring. The ballet, set to music from Bartók's Mikrokosmos, tells of Medea's revenge against Jason, the husband who deserted her. It was revived for the Royal Swedish Ballet in 1953 and for New York City Ballet in 1958. There have been other dance treatments of the Medea story, from Noverre's Médée et Jason (Stuttgart, 1763) to Graham's Cave of the Heart (New York, 1947).