Context: Casaer was played by a woman ( the part was written for a castrato , except they do n't castrate people anymore , so they have to use women instead ) , which was interesting to see . Also , there was a fairly small ensemble accompanying the singers , so there were no walls of sounds or great impressive fanfares . But the music was good .
Question: What may I have just seen ?
Option 0: A rock show
Option 1: A opera
Option 2: None of the above choices .
Option 3: A play
Answer: 1