But this is Washington's birthday and the truthful he of the cherry tree would look down on me and frown.

11 seconds sound clip from the Holiday Inn (1942) movie soundboard.

You can hear this line at 00:58:58 in the Blu-ray version of the movie.

Quote context

[...]

- I think the music should be sweet and gentle to... Well, to create the mood, each time I take her into my arms and kiss her. That's it.

- Don't you think it's getting a little stuffy in here?

- I could say that you're homely, just as homely as pie.

- But this is Washington's birthday and I've got to say you're beautiful 'cause I can't tell a lie

- I could say that you're stupid, nothing up in your crown.

- But this is Washington's birthday and the truthful he of the cherry tree would look down on me and frown.

- I could say that I hate you if I try, but I've got to say I love you 'cause it's February the twenty-second and I can't tell a lie.

- Hit it.

(CONGA DRUMS PLAYING)

(AUDIENCE APPLAUDING) (3)

[...]