Pentatonix at Philips Oral Healthcare in Los Angeles 

Scott's speed singing is sick!!!!!!!!!!! They rock!

wow those overtone sounds so beautiful... avi u are awesome!!! 😍😍😍 i love when they sing without the mics.. their voice blend so well... what a great performance by pentatonis as always...😙

man oh man these guys sound even great without microphones great great great PTX!!!!

Don't hurt yourself, Scott. XD

Holy shit that was insane....kevin and avi @ 1:25

What a great location to sing at... without mics and you can hear every part VERY clearly

They always sound so perfect!!

I watch this video every now and then. Can't get over the awesomeness of their sound without mics. Those people in the video sure are lucky to have watched this performance in person.

I agree that this room actually sounds awesome and this performance was of course awesome.

4:00 I HAD NO IDEA THEY EVER PERFORMED THAT LIVE WHOA

I just LOVE these examples of them singing live.

This is incredible, as they always are! Beautiful! Thank you for posting and thank you to the people at Philips for supporting them and helping them to create their first music video! I love when people recognize real talent! You all ROCK!

Everybody wants to hug these guys :D

you guys!!!! stop making me cryyyy :( can I please hug you alllllllll????!!! you are now officially my favorite music ANYTHING!!!! :D ps... WHEN you come to minnesota... Maple Grove Senior High is WHERE IT'S AT! 2nd hour choir IS IN LOVE WITH YOUUUUU!!! :D you should come teach us how to be a fraction as amazing as YOU GUYS!! :) Mitch=voice of an angel ;O ; Kevin=MEAT :D ; Avi=PoTaToEs!!! :) ; Scott=gorgeous in every way ;)

That was so awesome!!! Love this group, they can sing anywhere!!!!!! Pentatonix Rocks!!! Thank you so much for posting this!

ONE WORD: WONDERFULLLL!

1,2,3,4 BOOM energyyyyy even without mics

5:43 iLL never let you go Scott!!! :D hahahah ... thats not wierd. :) haha i

So great, loved it thanks for sharing!

''bad bitches like me is hard to come by'' yes they are indeed, Mitch

2:48 1,365,744 views on September 27, 2012 30,733,112 views on September 24, 2017 holy cow they've gained so many fans

what are they even doing there and why is kevin in love with that guy?

No one talks about the overtone of Avi in the beginning.

i cant even...

omg and then fast forward to 2017 and they can't even remember the lyrics to this song, have sold out concerts in huge arenas and 13 million subscribers on youtube (more than beyonce!), and 3 grammies. aaaaaaaaaaaaaaa

justo en la parte de kirstin corre la camara....

Anyone else think Mitch looks like KassemG in this vid?

Maskk