Mitch Grassi

[IN PHOTOS] Pentatonix Delights Crowd with Vocal Acrobatics

Pentatonix hits all the right notes Grammy Award-winning a cappella sensation Pentatonix (PTX) thrilled a packed stage at the Smart Araneta Coliseum on September 24, 2016. The audience, composed mostly of young girls and boys, and their families, waited patiently. [But] As soon as Pentatonix came on stage, the crowd went wild. The quintet kicked the night off with…

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