Hi, Chel. I'm glad you like the song, too. Sorry to hear that you can't find anybody to sing with. If you are religious at all, you can probably find fellow singers by joining a church choir. Outside of that, the current in our culture which says 'You shut up and buy the recording' has managed to destroy much of our singing.

Well, the MIDI linked above only has the one song out of the duet. Seeing this thread made me think that it would be fun to do this duet at birthday party May 16, so I have requested some Irving Berlin songbooks from the public library. Here's hoping the books haven't been stolen and that the song is in them.

Meanwhile, there are many versions of this on YouTube. It is remarkable how this duet has captured the hearts of so many people.