Say Something

PENTATONIX-SAY SOMETHING
PENTATONIX-SAY SOMETHING
PENTATONIX-SAY SOMETHING
Over time, I've shared about a half-dozen video videos from the Pentatonix, an online a cappella singing troupe that has a unique sound and a loyal following.  As an interesting twist, this time they throw in an INSTRUMENT!  (I'm 90% sure it's a cello...