The mission to track down all traces of an Irish avant-garde has received a boost with the release of this delightful compilation, compiled by Nyahh Records. The label has left no dusty attic unexplored in its efforts to drag subterranean Ireland to the surface, providing documentary proof of free-thinking at a time of joint church/state hegemony. This experimental impulse could apparently be found at all levels of society. Take the aristocratic UFO hunter Desmond Leslie, who created electronic soundscapes in his Monaghan castle and took his place with the Meeks and Derbyshires of the world. Outside the country estate, there were pioneers…