Nirvana performed for the first time in 20 years on Thursday, April 10.  They played a four song set at the Rock and Roll Hall of Fame induction ceremony.  Then, they played a secret show at Saint Vitus Bar in Brooklyn.

Krist Novoselic, Dave Grohl, and Pat Smear were joined by Joan Jett, J Mascis, St. Vincent, John McAuley, and Kim Gordon.  They played 19 songs ranging from the band's biggest hits to deepest cuts.

The cameras were rolling.

Grohl had cameras set to capture the special, and possibly one time only, show.  Novoselic tells Rolling Stone, "I don't know what Dave is going to do with it...He'll figure it out and make something good."

It also might not be the last time Nirvana plays a show.

Novoselic says:

"I mean, there's Foo Fighters and Dave has some other projects going on. And I have some commitments. But you never say never now. We did it. I sure won't say no. Maybe we can even do some new music one day."

However, Grohl is less sure about doing more with Nirvana. "We looked at that evening as a night that may never happen again. That's what made it so powerful and beautiful and meaningful. And it may never happen again, so we made the most of it. And it was fucking great."

Read the full story behind the Nirvana reunion here.