As if Billy Bragg had inspired Joe Strummer instead of vice versa, London’s 19-year-old former Zoo Kid Archy Marshall aka King Krule manages an aggressive earnestness, which is to say that Archy’s not arch enough to become the new Streets. But as he heads towards adulthood, his relatively skeletal songs have become simultaneously more punk and more jazzy, suggesting that he might be a secret formalist. Chet Baker covered Elvis Costello – who would be the modern-day equivalent to cover Krule? Andre 3000? Thidius opens.