 FAIR: ! When Twisted Sister leaps off from their car during the  filming of their music video (clearly abandoning their equipment and  not perfoming while they retreat), their music continues playing as  if it was uninterrupted.  * Its not actually a goof.  "When Twisted Sister leaps off from their car during the  filming of their music video (clearly abandoning their equipment and  not performing while they retreat), their music continues playing as  if it was uninterrupted." They arent actually singing/playing  instruments, theyre lip syncing and pantomiming along with the  song. Few artists actually sing and play instruments while filming  music videos.