Public KARAOKE Can Be Scary!; Guy Sings Katy Perry’s Roar In Public [Video]

The good thing about headphones is that you can't hear anybody around you. The bad thing about headphones EVERYONE ELSE CAN!

How many times have you seen someone with their Dre Beats on their head and they are mouthing the words to the song they are hearing in the ears? Usually they are bopping their heads and mouthing the words to themselves. Not this guy! He don't give a damn who can hear him. I wonder what Katy Perry thinks of this?