How sweet are these two? Fran and Marlow Cowan, married 62 years (he's 91) they sit down and play an impromptu duet on the atrium piano at the Mayo Clinic.
Watch it and see if you don't stand up and cheer right along with them.
Here's the performance of Old Grey Bonnet (they do it for all the "old" people in nursing homes):
And here's their story: