After a career spanning ten years, Aidan Moffat and Malcolm Middleton have decided to wind up a musical partnership that has rightly earned its place in musical folklore. It’s rare nowadays for a band to stake any sort of legitimate claim on originality; with Arab Strap, it’s a claim to which they can feel richly entitled; over the last decade they have pursued a musical vision so singular in its tone and inventive in its execution that they found themselves in a genre almost entirely of their own. For Chemikal Underground, Arab Strap’s decision to dissolve represents something far more...