He may have been making music since he was just five years old, but if there’s one thing you can say for sure about Billie Joe Armstrong, it’s that he absolutely loves it. More specifically, he’s still utterly obsessed with the East Bay punk scene from which he came. And he’s ready to show Green Day’s ever-growing fanbase one of his biggest influences via the brilliant new Pinhead Gunpowder album, Unt. “When I started getting into punk, I wanted to know more,” the frontman begins, sandwiched on a sofa in Toronto between his Pinhead bandmates – guitarist Jason White, bassist Bill Schneider and drummer Aaron Cometbus – in the midst of the colossal Saviors Tour. “I looked backwards and went deep into people’s catalogues and where they were at, like, ‘Who influenced Oper...