Ch-ch-check out the tweets (below)!
[Image via Jason Merritt/Getty Images.]
Seriously, watching these guys play is a total trip! (It also makes us want to cut back on the RedBull!)
Check out the video (above) to watch the boyz lay into a cello-irfic performance of Welcome To The Jungle by Guns N' Roses!
That song has never sounded so classy!!! Ha!