You hear Kelly Clarkson on Cars 108, and you also hear Fun.'s 'We Are Young'. Hit read more to see a little of both...Kelly Clarkson performing Fun.'s hit song.
Now you're just showing off! Four guys, four iPhones, four videos, all synchronized to create one elaborate video set to Fun.'s 'We Are Young'.
Some online viewers of this video by MysteryGuitarManare crying "video-editing trickery" but the behind-the-scenes videos at the end make me believe it's all real. 238 takes? I wouldn't be surprised.