If you aren't yet following UsTheDuo on Vine, start now!
According to their Vine Profile, UsTheDuo is a "husband & wife musical duo called 'Us'" who has an album out on iTunes. They've amassed quite the Vine following (over 1 million followers and counting) with their innovative 6-second vids. While they only show their faces partially, it's the music they make that will wow you.
Check out their short but sweet Vine covers of artists like Taylor Swift, Beyonce and Justin Timberlake below!
Upon further internet stalking research, turns out Us is made up of married couple Michael and Carissa. Check out their website: http://haveyouheardofus.com/.