Paul McCartney, Dave Grohl, Krist Novoselic + Pat Smear, ‘Cut Me Some Slack’ – Best 2013 Rock Songs
Debuted during the '12-12-12' benefit concert in December, 'Cut Me Some Slack' emerged as one of the most discussed collaborations in years. But once the novelty of Nirvana's surviving members playing together again with the legendary Paul McCartney on vocals wore off, there was still one hell of a rock song.