If I told you once, I told you a hundred times. It's the only way I can warm up before I play the piano.
5 seconds sound clip from The Honeymooners (1955) - The $99000 Answer sitcom.
You can hear this line at 00:17:07.785 in the Blu-ray version of the TV Series.
Quote context
[...]
- 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.
- Absolutely right. All right, here's another one. Don't look at the music, now.
- Don't need it, my friend, don't need it.
[...]