Nice, but it needs a bigger backend library. I entered the "shave and a haircut" riff and received no meaningful results.
https://secure.wikimedia.org/wikipedia/en/wiki/Shave_and_a_h...
https://secure.wikimedia.org/wikipedia/en/wiki/Shave_and_a_h...
Mostly unrelated, but if you're interested in hip hop sample sources, check out http://www.the-breaks.com/ . For example, here are uses of the Amen break: http://www.the-breaks.com/search.php?term=winstons&type=...