YUSSEF KAMAAL - Black Focus LPThe borders between Londons musical tribes have always been porous. For Yussef Kamaal, the sound of the capital with its hum of jungle, grime and broken beat has shaped a self taught, UK tipped approach to playing jazz. In the states, the genres long running to and fro with hip hop from Robert Glasper to Kamasi Washington has reimagined it within US culture. On Black Focus, Yussef Kamaal frame jazz inside the bass saturated, pirate radio broadcasts of