Now that's the kind of day when you can't open your mouth without a song jump right out of it...
8 seconds sound clip from the Song of the South (1946) movie soundboard.
You can hear this line at 00:17:09.587 in the Blu-ray version of the movie.
Quote context
[...]
- Now you just set yourself down here and listen with both ears wide open...
- This Brer Rabbit, he's the out-doin'est, the most bodacious critter in the whole world.
- Yes sir, honey... It happened on one of them Zip-a-dee-doo-dah days.
- Now that's the kind of day when you can't open your mouth without a song jump right out of it...
- Mr. Bluebird's on my shoulder. It's the truth, it's actual, everything is satisfactual.
- Zip-a-dee-doo-dah, zip-a-dee-ay! Wonderful feeling, wonderful day! Yes sir!
- Zip-a-dee-doo-dah, zip-a-dee-ay! My oh my, what a wonderful day!
- Oh, plenty of sunshine heading our way. Zip-a-dee-doo-dah, zip-a-dee-ay!
[...]