Should I wait for you tomorrow in front of the opera house?
Tom is the only person Mary knows who enjoys opera.
We went to see an Italian opera last night.
Opera! He cannot even sing children's songs!
In the 1980s an opera production of "Hansel and Gretel" caused a furor because the part of the Witch was played by a man; nobody seemed to care that the part of Hansel, a trouser role, was played by a woman.
The opera was graced with the august presence of the Crown Prince and Princess.
The opera ain't over till the fat lady sings.
We are watching a class at the Paris Opera.
They occasionally go to the opera, but they prefer the cinema.