Why don't you teach me one of his so I can sing it back to you?
4 seconds sound clip from Darkwing Duck - Darkly Dawns the Duck: Part 2 (S01E01).
You can hear this line at 00:05:11.628 in the DVD version of the TV Series.
Quote context
[...]
- Spirit? Mwah! Thanks, Darkwing.
- Ah, you just need something to relax ya. I think I have a large mallet around here somewhere.
- Grandpa used to sing me a lullaby.
- Oh, well, that's... I don't really do lullabies.
- Why don't you teach me one of his so I can sing it back to you?
- This has the suspicious ring of reverse psychology to it. But have it your way.
- Not much on lyrics. Let me try.
- Rest your head, little girl blue, come paint your dreams on your pillow.
[...]