I think the site looks pretty good, it could do with a better design, search results and jquery auto suggestion to the search which would make it look, and work, a lot better.You're going to need to work very hard if you're going to make an alternaif (alternative) to Bing, because they're powerful, even though they're not Google, good luck though.
So, its a MP3 search engine. Great ! I have bookmarked it. Anyways what type of MP3s are your site can find out?