What style of opera became popular during the classical period?

Two types of operas were important during the Classical period: opera seria and opera buffa. Opera seria was the traditional tragic opera that often featured stories about ancient Greek and Roman heros and gods. Opera buffa (comic opera) was filled with fun and frivolity.

What are the three main periods of ancient Greek art? What inspired ancient Greek art? Como se desenvolveu a ópera? Qual foi a origem da ópera?

Why is Greek art famous? Where is the ancient open air theater? How did Greek sculpture change during the classical period? How does contemporary art become traditional? What is the chorus in Greek tragedy? How did sculpture change in the late classical period?