- It's not a ghost. It's a player piano.
- So who's playing it?
- It's automatic. It must have turned itself on automatically.
— Velma Dinkley (Nicole Jaffe)
11 seconds sound clip from Scooby-Doo, Where Are You! - Mine Your Own Business (S1E4).
You can hear this line at 00:06:11.062 in the Blu-ray version of the episode.
Quote context
[...]
- Hey, look, Shaggy. A real old-time Western saloon.
- When you said old, you just weren't, like, kidding.
- Two.
- Ghosts?
- It's not a ghost. It's a player piano.
- It's automatic. It must have turned itself on automatically.
- Now come down out of those draperies.
- Like, why couldn't you have been a poodle?
- Did you guys find any clues?
- Let's take a look inside this old hotel.
- Maybe our mysterious miner rented a room for the night.
[...]