1) Opera by Ildebrando Pizzetti 2) Opera by Simon Mayr 
[Mayr] Fedra is an opera (melodramma serio) in two acts composed by Simon Mayr to an Italian-language libretto by Luigi Romanelli based on Racine`s play Phèdre. It premiered on 26 December 1820 at La Scala in Milan with Teresa Belloc-Giorgi in the title role. ...