Five months ago, two black homicide detectives got fed up with the Police Department's inaction on black-on-black murders. Thus was born the Crime Response Unit to Stop Homicide (CRUSH): six cops with the grit and guile to tackle the toughest cases in the
​Lisbon-based Buraka Som Sistema headlines Mezzanine Saturday night, bringing its mashup of vocal percussion with zombified, broken-legged dance contortions. The foursome who leapt into global view with 2008's Black Diamond is now making its second SF visit. The group will batter crowds with dissonant siren-thumps and crawling Portuguese slang, fitting within the same seismic frame as sometime-collaborator M.I.A. and African soukous giant Koffi Olomide.
Buraka are today's leading practition