(Your move, Ringel)
Skip ahead to about 16:00 if you don't want to listen to the rest of the set, though I promise you it's quite good, if a bit brain-breaking. Reggaeton-klezmer? Sure, why not.
So far as I can tell, this is an original from DJ Pozsi. There have been a lot of remixes of this track over the years, of which Benny Benassi's "Pump-kin Remix" is still probably the best (http://www.youtube.com/watch?v=tR0WMdI