Hehe, quite a good idea, and I actually already found use for it.
Used it in a short, quickly made animation released on deviantArt.
It's nothing big really.
Credits pop up in the middle of the song, links back to this page.
For your convinience, here is the link:
Wish it was longer though ;)
really good :)
such a simple thing is such a brilliant idea. my hats off to you good sir
Please contact me if you would like to use this in a project. We can discuss the details.