A friend's coworker's son brought some rap music to our Super Bowl party. Most of the rap was the usual stuff IMO - macho, shallow, misogynist, etc... but one record stood out; it was by 'Mob Deep' ...

With dynamic beats and catchy lyrics, singers battle each other onstage with performances that echo modern-day rap. Except this is something much older with very different roots. Danzhou diaosheng, or ...