The above video delivers on its premise, that premise being New England Patriots tight end Rob Gronkowski singing a shall we say slightly off-key rendition of "Roar" by Katy Perry. Critical assessments of Gronk's warbling aside, the bizarro rabbit hole of Super Bowl Media Day is basically the ideal environment for Gronk's cheery bro personality. Go ahead, ask him to sing your favorite Katy Perry song. He might hem and haw a bit, but you'll get what you want eventually. As a bonus, here's a Vine of Gronkowski making a strong pro-puppy argument.