The latest group to win NBC's a cappella competition The Sing-Off is back with a new album. The group has racked up millions of views on YouTube,... No Instruments? For Pentatonix, It's No Problem ...

Although the whole acapella thing peaked around 10 years ago, Pentatonix is still going strong. They will bring their show to Ruoff Music Center this Saturday, August 26, to show us why. A big part of ...