"Mommy," she said, "you get out your phone and make a video, and I will sing, and then we will watch it and you can show it to Nana on your computer."
And so we did. I think it's quite nice. And you're lucky that she got out of her "little lamb, little lamb, little lamb" loop. It's been known to go on for far, far longer, and it begins to sound very ominous when she keeps repeating it.