Relaxer, alt-j’s third album, opens with the track ‘3WW’. It begins more than reminiscent of Massive Attacks’ ‘Teardrop’, digresses into a passage of medieval-pastoral before flowing into a Kate Bush crescendo à la ‘Don’t Give Up’ courtesy of Wolf Alice’s Ellie Rowsell’s vocal contributions. It’s a good choice of introduction to the album which, over the course of eight tracks, is chameleon in nature, varied in scope and only really held on its axis by the distinct idiosyncrasies of the band. In many ways Relaxer is a raging success as Alt-j take creative risks and come out largely unscathed…