Watch an Epic Pentatonix Version of 'Hallelujah'Kevin Olusola, Kirstin Maldonado, Avi Kaplan, Mitch Grassi and Scott Hoying will amaze you.
Pentatonix Sing Dolly Parton's "Jolene" With Her & It's AmazingDolly Parton is a legend. The Pentatonix are incredible. What happens when you put them together to sing "Jolene"? *Chills* Watch here!
Jason Derulo and Pentatonix Cover 'If I Ever Fall In Love Again'The quintet and Derulo team up to cover the classic slow jam.
Meghan Trainor Loves Pentatonix's Cover of 'No'"I have chills all over my body. Coolest thing ever. Dreams come true."
Watch Two Guys Cover Beyoncé's Entire Album In Under Six MinutesWhat's better than the unexpected release of Beyoncé's self-titled "visual" album? Two guys from an a cappella group unexpectedly pulling off the greatest cover of her album in just around five minutes.
'Gangnam Style' Gets A Capella CoverYouTube sensations Pentatonix's debut album features the track, plus covers of songs by Nicki Minaj, Gotye and fun.