This WAS on my wish list, until now.
Now you just have to click this link to play around with it.
Heck, with the source code you can even stream a wave-file to disk. I can see within a few years I don’t have any programs installed on my computer. Whenever you want to record a sound it just streams to a server on-line. This on-line gadget got my head spinning. It is just so much fun creating drum-beats with this.
***the tr-909 was a legendary drum-computer which was -and still is- one of the ultimate tools for creating techno***