RELAXERRecording information: Abbey Road Studios; Ely Cathedral, Cambridgeshire; Iguana Studios; Strongroom Studios; The Church Studios, Crouch End. A heady and sometimes capricious piece of work that vacillates between pastoral folk, classical crossover, proto punk, and progressive rock, the Mercury Prize winning trio's third LP is never clear about its overall intentions. The same could be said about Alt J's two previous albums as well, but Relaxer is a