You know, my trouble is, I never should a let you sing that song.
— Capt. Warren "Rip" Murdock (Humphrey Bogart)
3 seconds sound clip from the Dead Reckoning (1947) movie soundboard.
You can hear this line at 01:24:37.122 in the Blu-ray version of the movie.
Quote context
[...]
- And leave your fingerprints behind us on that gun?
- Do it my way. I'll never ask you anything again, I promise.
- Chucking your fingerprints in the Gulf will be my last pitch, Mike.
- Martinelli won't ever give up that gun, and, this time, you might be killed.
- That'd be awful, wouldn't it?
- You know, my trouble is, I never should a let you sing that song.
- Is there any other reason why I shouldn't see Martinelli again?
- Oh, please, Rip, don't start being suspicious again. I told you.
- Yeah.
[...]