It seems like every couple of months a new Nirvana demo or unreleased track surfaces, and we're not upset about it. Today the honor goes to "Marigold," from the band's third and final studio album, In Utero.

This rare demo features drummer Dave Grohl on vocal duty instead of Kurt Cobain. According to Consequence of Sound, the Foo Fighters frontman originally wrote the track for his 1992 solo project Pocketwatch.

It sounds cool with just Grohl, but we've gotta say, it's the Cobain version that gives up goosebumps. Listen to the demo above, then click through our list of 12 things you probably didn't know about Kurt Cobain and our 10 must-know Foo Fighters facts.