Test alt="" title="" tag for videos

I wrote about using images as SEO trick and received a query - "would it work for video?"

Now I am a retired scientist, not an IT expert, so I can guess but cannot say with absolute certainty about whether it would or would not work. I suspect it wouldn't because Google hasn't come up with a video search yet. However, as a retired scientist, I would like to put it to a test:

Listen to this Chinaman Blog*Star speak

I added the tags alt="world's youngest drummer" and title="world's youngest drummer" etc. to the above embedded videos. When I hover the mouse over the videos, no tool tip appear unlike for images. So looks like my suspicions turned out to be right.