Post world-music is one term used to describe ZA! in their promotional materials; well, in the sense that such a term doesn’t rule out anything whatsoever, it’s not a bad characterisation! The music is experimental from start to finish, but it is the product of a process addressed directly to the business of music-making, in the same way that a completely conventional rock band or dance music producer would address themselves to it. Much experimental music emphasises the first term of that pair, which often produces interesting results, but could be criticised for placing the cart …