Pentatonix - Sweet Nothing - Philly, PA Feb 20 2013

Their (sort of) unreleased cover of "Sweet Nothing"...Kirstie sounds AMAZING.

[@blazingmist5861]

2:18 goosebumps! SLAY KIRSTIE. thx for the upload btw!

[@kwsmith1]

Ok... so you have to try and convince SHAY to watch this. I know he doesn't want to react to live videos, but if you tell him Kirstie sings it, I'm sure he'll totally react to it. Btw, the audio quality on this video is fantastic. Great job filming it.

[@florf2469]

Kirstie is amazing!! Wish they had included this in one of their albums