What do you call it, garage? What do you call it, urban? What do you call it, two-step?” So goes the chorus to Wot Do U Call It?, the third track on Wiley’s 2004 debut album Treddin’ On Thin Ice.

As much a line in the sand as it was a song, it heralded the ascension of a new sound within UK music. “The eskimo sound is mine,” he rapped, “recognise that it’s mine.”

The world has learned to recognise. ...