Patrick Kovarik/AFP/Getty Images

McCartney's Octopus Moji

  • <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Paul McCartney, left, and Ringo Starr on stage Sunday at the 56th annual Grammy Awards in Los Angeles. Matt Sayles/Invision/AP hide caption

toggle caption
Matt Sayles/Invision/AP

Paul McCartney, left, and Bruce Springsteen during Saturday's show in Hyde Park — before the plug was pulled. Frame grab from video posted by "BenR753" on YouTube. hide caption

toggle caption