With a new Green Day album and movie arriving next month, it's been a busy year for singer Billie Joe Armstrong. But it comes at the end of a particularly dark time. In a new interview, he spoke about the battle with drug addiction that sidelined him in 2012.

"The thing about someone who’s losing their mind is that they don’t know they’re losing their mind," he told Q (via NME). "I thought my life was completely normal. And it wasn’t. I was on drugs! And people aren’t acting rationally when they’re on drugs. So I had to take care of myself. I had to kick that, and I did. Then we took a long break which was totally necessary."

Armstrong entered rehab following a performance at the iHeartRadio festival where he went into an expletive-filled rant about having only one minute left in his set before smashing his guitar. The band wound up canceling its tour in support of the three albums they released that year, ¡Uno!, ¡Dos! and ¡Tré!. He now says those three records "have absolutely no direction to them. It was about being prolific for the sake of it."

Arriving Oct. 7, Revolution Radio, Green Day's first record since that trio, is a return to the topical material of 2004's American Idiot and its 2009 follow-up, 21st Century Breakdown. Two songs -- "Bang Bang" and the title track -- have already been released. Ordinary World stars Armstrong as a punk rocker trying to recapture his youth by having a blowout in a New York City hotel on his 40th birthday. You can view the trailer here.

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