One of the most exciting hours I’ve spent in ages: Turnstile at O2 Forum Kentish Town

Even leaving aside its origins as prison slang, punk has always meant different things on either side of the Atlantic. Forty-five years ago, in New York, no punk band sounded like the next one: the only thing that linked Ramones, Talking Heads, Patti Smith, Suicide, Blondie and Television was that they played the same club, CBGB. Over here, by contrast, punk was rapidly codified into people shouting angrily over buzzsaw guitars. These days, it can seem as though the opposite applies. It’s the American punks who stick to a formula, while in the British Isles, the punk label seems to apply to any band with a guitar and a modicum