From the opening moments of “Dum Surfer,” which sounds like the ambient noise outside of a dirty club, King Krule is letting you shadow him on a journey. It goes to dark places, but it’s undeniably cool. By the end, you’re rolling a cigarette next to someone playing the sax on some surreal street corner. And even if you don’t get all the gritty imagery told through his British slang, you still get the picture and can probably put together what “I’m feeling slightly mashed” means.