Will you wait a minute, please? Why must you always play da da da da da da da da before you go in and play the song I'm trying to guess?
11 seconds sound clip from The Honeymooners (1955) - The $99000 Answer sitcom.
You can hear this line at 00:16:56.774 in the Blu-ray version of the TV Series.
Quote context
[...]
- I left her speechless. Yeah. She did everything in her power to stick me.
- I guessed the English name to every one of the Italian songs that she sang.
- Oh, boy.
- I don't have to look, pal. All right. You just play them, and I'll name them.
- A pitcher warms up before he pitches a ball game, I got to warm up that way before I play the piano.
- I hope I don't have to tell you this again.
[...]