Butch Vig has soured the celebrations marking the 20th anniversary of Nirvana's classic Nevermind album by confessing frontman Kurt Cobain was 'a pain in the a**' to work with.
Vig produced the 1991 album and recalls having to stop the late rocker from meddling with finished songs.
He tells Rolling Stone magazine: "I'd be balancing the drums and the guitar and Kurt would come and say, 'Turn all the treble off. I want it to sound more like Black Sabbath.' It was kind of a pain in the a**."
And the Garbage star admits Cobain's constant moodswings were a problem in the studio too:
"Kurt was charming and witty, but he would go through these moodswings. He would be totally engaged, then all of a sudden a light switch would go off and he'd go sit in the corner and completely disappear into himself. I didn't really know how to deal with that."
Nirvana started recording Nevermind at Vig's studio in Madison, Wisconsin in 1990. The album was released to critical and commercial acclaim in September, 1991.
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