Did you know it’s National Karaoke Week? Of course you did! To celebrate this joyous occasion Smule put together its Top 10 Karaoke Songs of 2014. They’re the company that made the Sing! Karaoke app where you can record your karaoke performance and upload it for the world to see. Out of all the songs in the world, here are the ten most popular on Sing! Karaoke for 2014 so far.