I promise you a video as my husband will return from Las Vegas, because he took the camera with him. She sings when we do a specific sound of one of her toys. If you want to call this sing.... She also does a few of various sounds when I am in my computer and she wants attention. But she doesn't laugh. My first yorkie, a very smart male, laughed showing the teeth and gave the paw. This female is very expressive when she wants something.
Please don't laugh at my english. I do my best but I need to learn more vocabulary. I hope that you understand me, however. Thank you and Happy Valentine to all the yorkie talkers and their cute furbabies.