- And it gives us a chance, you see, sir, to test new material.
- On what?
- On the audience. We use them like guinea pigs.

— Bob Wallace (Bing Crosby)

8 seconds sound clip from the White Christmas (1954) movie soundboard.

You can hear this line at 00:53:15 in the Blu-ray version of the movie.

Quote context

[...]

- I know about business being bad. Go on.

- Well, we figured since we had a chance to rehearse, we might as well do our rehearsing up here.

- Why here?

- Well, you've got this nice big empty ski lodge, and the minute Phil and I saw it, we decided it was ideal. Didn't we, Phil?

- That's right, Bob. Ideal. That's exactly the word we used, too. Ideal. We looked at this big ski lodge and we said, Isn't it ideal? Absolutely ideal. Didn't we?

- Ideal.

- We've established the fact the lodge is ideal.

- And it gives us a chance, you see, sir, to test new material.

- On what?

- On the audience. We use them like guinea pigs.

- Pigs, we can get for you. I'm not so sure about people.

- Well with all due modesty, sir, Wallace and Davis never had any trouble packing them in, sir.

- People that is, not pigs.

- Well, go ahead, if you want to.

[...]