Season 3, Episode 14: "The Pez Dispenser"

-You were wonderful. Wonderful. -No, no.

These are my friends, Elaine and Jerry. Noel.

You play a hell of a piano.

Yeah, I was really moved. Really moved.

Didn't you hear that person laughing?

I couldn't play. I was humiliated!

I'm sure it wasn't at you.

Well, then what was she laughing at?