You played it very well. Perhaps I was wrong.
4 seconds sound clip from the Phantom of the Opera (1943) movie soundboard.
You can hear this line at 00:14:30.020 in the Blu-ray version of the movie.
Quote context
[...]
- Let me hear you play, if you please, Claudin.
- A little song. A lullaby. From Provence, where I was born.
- You played it very well. Perhaps I was wrong.
- No, it was you. What could have been the matter, Claudin? You're an accomplished musician.
- Come, come now. Let me hear you play the opening movement in the third act of Marta.
- It's no use, Maestro. Something has happened to the fingers of my left hand.
- But you played that lullaby perfectly.
- It's a simple melody, Maestro. That's why I played it.
[...]