Pentatonix- Aha! (Cover) [Livestream]

Pentatonix performing "Aha!" by Imogen Heap during their EP release livestream. This is featured on their EP, PTX Vol. 1. You can buy it on iTunes or their official website!

Full video of livestream: https://new.livestream.com/pentatonix...
Pentatonix official website: http://www.ptx-official.com

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