Donatello found an acting group down in the hidden city. It was very fancy and well funded. He auditioned for a role in the show.

He got the lead.

Donnie rehearsed for months on end eventually perfecting his role of the phantom in phantom of the opera. You wait in your seat, waiting for the show to begin. The props were absolutely stunning, made with precision and detail. The acting was fantastic. Eventually...

"Insolent boy! This slave of fashion basking in your glory!

Ignorant fool! This brave young suitor, sharing in my triumph!" his voice boomed throughout the room with unmatched passion