“You want some real death-jazz?” screams The Agitator through a megaphone, to which an exuberant crowd responds with a gutteral “yeeeeeeaaaahhhhhhhhhhhooooooo!!!!!”. Moments later they’re jumping up and down to the strains of Suffocation, a cacophonous blend of latin and modal jazz turned up to 11, whilst the group of Japanese musicians fling themselves around the stage like they’re being pursued by a horde of bees. It’s fair to say Gilles Peterson’s ‘Night Of Death......