And while he's about it, he might change the tune.
4 seconds sound clip from the Beat the Devil (1953) movie soundboard.
You can hear this line at 01:08:53 in the Blu-ray version of the movie.
Quote context
[...]
- He has some perfectly darling traits, really. I mean, like, always remembering one's birthday.
- No, we simply mustn't let anybody murder Harry.
- Well, keep him in your cabin. Never let him out of your sight. Keep him under lock and key.
- Oh, please! That awful music. It's so loud. It comes right into our cabin.
- Peterson, tell the major to soft-peddle it.
- And while he's about it, he might change the tune.
- Don't you like it? It's one of my favorites. I'm afraid he doesn't know any others. Do you, Jack?
- I love the tinny sound of a player piano. It reminds me of the days of my youth.
[...]