GOTYE, NICKI MINAJ, ADAM LEVINE, GIVE PENTATONIX THUMBS UP official

A Cappella band Pentatonix have turned the pop world on its ear by covering "Starships" by Nicki Minaj, "Moves Like Jagger" by Maroon 5 and "Somebody That I Used To Know" by Gotye among others, and they keep getting the thumbs up from their fellow musicians and some of music's biggest artists.