If you’re trying to understand the future of jazz, turn your attention to Kassa Overall. Overall is a GRAMMY®-nominated musician, emcee, singer, producer and drummer who melds avant-garde experimentation with hip-hop production techniques to tilt the nexus of jazz and rap in unmapped directions. He will be performing his new album at Keystone Korner on Sunday September 14th! You’re not going to want to miss this incredible show.