Watch Dave Grohl's Rare Performance of 'In Bloom' with Trombone Shorty

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Dave Grohl photographed on Dec. 14, 2009.

While rarely playing Nirvana songs since the passing of frontman Kurt Cobain in 1994, on Saturday (Sept. 15) fans saw Dave Grohl perform the Nevermind classic "In Bloom" for just the second time since the band's end. The former Nirvana drummer joined New Orleans jazz collective Trombone Shorty & Orleans Avenue to play the song during their set at the Los Angeles' Threauxdown Festival.

The Foo Fighter frontman jumped behind the drum kit on the jazzed-up instrumental version of the song, with three horns acting as the lead instruments, giving the grunge original a fresh, upbeat twist that fit the vibe of the jazz festival.

“For years I couldn’t even listen to any music, let alone a Nirvana song,” Grohl said in an interview with GQ earlier this year of his connection to his former band. “When Kurt died, every time the radio came on, it broke my heart. I don’t put Nirvana records on, no. Although they are always on somewhere. I get in the car, they’re on. I go into a shop, they’re on. For me, it’s so personal.

“I remember everything about those records; I remember the shorts I was wearing when we recorded them or that it snowed that day. Still, I go back and find new meanings to Kurt’s lyrics.”

The Foo Fighter frontman continued: “Not to seem revisionist, but there are times when it hits me. You go, ‘Wow, I didn’t realize he was feeling that way at the time.'"

Check out the fan footage of "In Bloom" below.