The 2011 champions of NBC's "The Sing-Off" show off their harmonies on the Billboard Hot 100's No. 1 song. By Gary Trust After winning NBC’s a capella competition “The Sing-Off” in late 2011, ...

Hi again. Glad all three of you are back for another episode of The Buzz. We call these daily stories of cool The Buzz but don’t really advertise that. So, it’s like you’re “in the know.” Speaking of ...

A cappella group Pentatonix covers Macklemore’s “Thrift Shop,” singing live at Billboard’s New York offices in March 2013. A daily briefing on what matters in the music industry Send us a tip using ...

They took YouTube and television by storm, and on Monday, a cappella group Pentatonix came to Ohio State and wooed students with a collection of pop favorites. Pentatonix, winners of season 3 of NBC’s ...

A little less than two years ago, pop a cappella sensation Pentatonix wowed the Forbes newsroom with a live performance of hits from Macklemore's "Thrift Shop" to Usher's "OMG" (see video below). Now ...

I used to be in an a cappella group, and after seeing Pentatonix, the season three winners of NBC's "The Sing Off," perform Sunday night at The Pabst Theatre, I'm glad I'm no longer in it. The singing ...