Before there was Gluck the reformer, there was Gluck the opera seria composer.
224. Ezio (Gluck)
Category: opera seria
223. Siroe re di Persia (Hasse)
Vocal virtuosity from the favourite opera composer of the mid-18th century.
172. La clemenza di Tito (Mozart)
Mozart's Metastasian opera seria is one of his best works.
The Opera Scribe 