Dave Grohl Set Fire to His Own Ass During Nirvana's 'In Utero' Session

Krist Novoselic lit a cigar off the drummer's burning butt

. Grohl noted that the band finished recording the drum tracks within a few days, leaving him with nothing to do in the small town of Cannon Falls, MN.

"These guys would play with lighter fluid," Novoselic said of how they spent their downtime, and Albini clarified that it was actually a cleaning solvent used to clean tape heads and other studio gear. "It's a very pure alcohol that burns off, so you can put it on your hand and set your hand on fire, like, 'Oh look, I'm the human torch,'" the producer said. "You get bored with setting regular things on fire and then you start setting other people on fire."

This led to Conan O'Brien asking what kinds of things they set on fire. "My ass. We did that one," Grohl quickly responded. "I think you [Novoselic] lit a cigar off of my ass while that was on fire." Apparently there's photographic evidence that this took place.

Conan asked the guys if they could smell anything cooking, to which Grohl responded, "Just our hot tracks." Ba-dum-tss.

The big In Utero box set is out October 27.

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