If you're already loving Adele's latest single, Send My Love (To Your New Lover,) then you've got to check this out.

Not only are these four singing a capella, but they're clapping along in rhythm, a la Pitch Perfect 2It's impressive, and a delight to listen to and watch.

The group is comprised of Kurt Hugo Schneider, Sam Tsui, Madilyn Bailey and Alex G. Both Sam and Kurt are touring this month, so if you find yourself in Southeast Asia or Australia look them up.