If you have another engagement tonight, break it.
2 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:07:24.243 in the Blu-ray version of the movie.
Quote context
[...]
- Christine, dear. I hurried over to tell you something.
- What?
- Again?
- Still.
- What a wonderful audience tonight.
- Wonderful. And you were marvelous, Biancarolli.
- We're having supper tonight at the Café de l'Opéra.
- I'm terribly sorry, Raoul, but I can't tonight. Why not?
- If you have another engagement tonight, break it.
- You've had your fling at this for two years.
- But I don't want to give up the Opera. Not until I've had a chance to really sing.
- And Anatole says he has great faith in my voice, and he's going to help me.
- Naturally. That's what baritones are for.
- You're in wonderful voice tonight, monsieur. Excellent.
[...]