Pentatonix, formed in 2011 is an a capella group from Texas. Here’s their version of “Somebody That I Used To Know“, a cover version from Gotye’s version:
This was a Music-Suggestion from Dayyan, thanks!
Anuna is an Irish a capella, vocal and celtic group. Here’s their great song “Fionnghuala“:
This was a Music-Suggestion from Mobius, so much thanks!