Veteran West Coast spitter, Ras Kass is set to drop a new mixtape next month and there's no better way to start than with a big splash. Here's his latest featuring ProVerb and hip-hop's man of the hour, Kendrick Lamar. A jazzy production laced with some choppy samples lays underneath some gritty bars that parallel one another quite nicely. You'll find this along with a slew of surprise features on Ras Kass's Barmageddon mixtape due out on December 19. Press play below and let us know your thoughts.