It is likely that this dramma musicale drew on the Euripidean or the Senecan version. Montio's dedication in the libretto is dated 2 January 1661; this could be the date of the printing of the libretto or of the first performance of the opera. Dramatis personae: Teseo, Fedra, Rosalba, Hippolito, Aricia, Pappagallo.