In the event that you missed the 12-12-12 Sandy benefit concert last night, then you also missed one of the weirdest things that happened in music this year. For Nirvana‘s reunion performance, Paul McCartney substituted Kurt Cobain on vocals, and together, they performed a new song written by the surviving members of the band, titled “Cut Me Some Slack.” If you don’t know what to make of this, watch them jam together below and then see how you feel. After all, it could have been worse.

(Daily Swarm)