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Pentatonix coming to Val Air Ballroom

I don't watch American Idol/The Voice/The Sing-Off, so when I got a release about Pentatonix performing at the Val Air Ballroom on March 6 I assumed it was a metal band. I think that would be a pretty good name for a hardcore act.

But I was wrong, Pentatonix is an a cappella group that won the third season ofThe Sing-Off, singing songs by fun., Nicki Minaj, Ke$ha and others.

Anyway, enough of me not being up to date on what's hot in a cappella groups. Is Rockapella still a thing?
Tickets are $25 in advance and go on sale Saturday through ticketweb.com.