Go on, Jack. Now, don't stop. Play that other piece you used to do so good.
6 seconds sound clip from the Remember the Night (1940) classic radio play.
You can hear this line at 00:29:54 in the radio play.
Quote context
[...]
- Emmy? Did you leave those cookies in the oven?
- Come along now, everyone. This way, Miss Leander.
- Thanks.
- Oh boy, John. Ain't she a peach-o-Reno?
- Who? Oh.
- All I can say is... Hot dog!
- Come on, grab a grip, Willy. I want to thaw out in a hurry.
- Go on, Jack. Now, don't stop. Play that other piece you used to do so good.
- I can't remember it any more, mother.
- Don't you think he plays nice?
- You don't have to answer that. I had 40$ worth of piano lessons once and they've never forgotten it.
- Willy, hand me that popcorn. We've got to have it all strung for the tree tomorrow.
- Well, here, you can help me. You haven't done a thing all night.
- Aw, gee. Didn't I help Miss Leander with all them dinner dishes?
[...]