How about these?
1 seconds sound clip from the Santa Claus Is Comin' to Town (1970) movie soundboard.
You can hear this line at 00:01:04.473 in the Blu-ray version of the movie.
Quote context
[...]
- Well, hello there. My name's Special Delivery Kluger. SD for short.
- Dear Santa, why do you wear a red suit?
- Uh-huh. I thought so. And this one.
- My turn. Dear Santa, why do you come down the chimney when I'm asleep?
- Why do you live at the North Pole?
- Why do you always come on Christmas Eve?
- Why do some people call you Kris Kringle? Why? Why? Why?
[...]