Restraint. A hard quality to achieve in one’s day to day life. Musically, however, it’s very difficult indeed. Amplified by speaker stacks and placed in the glare of spotlights, many bands affect emotion by stomping on a distortion pedal or guldering angst-ridden couplets. In stark contrast, the austere members of The National continually reign in such fits of childish pique. Take, for example, ‘Bloodbuzz Ohio’, with its spiralling drum patterns, mournful horns and droning guitar. It’s a perfect storm albeit one that never breaks but pulses and throbs towards a climax which never quite arrives. It creates a thrilling tension,…