OK, so Pentatonix look like they could be deeply annoying people (never trust anybody as chirpy as they are at this video’s close), but the chops on show here are pretty astonishing.

The Texan a cappella group have uploaded a medley of Daft Punk’s greatest hits (‘One More Time’, ‘Get Lucky’, ‘Digital Love’ and more) performed using only their voices. Dude on the mouth drums especially kills it for us – watch the video above.