AC/DC rocks the Grammys ... with a TelePromTer?

The 2015 Grammys kicked off a few minutes ago with an opening number from the legendary hard rock group AC/DC and their hit song “Highway to Hell,” which was generally well received by some of our favorite Tweeters. Some examples:

https://twitter.com/CalebHowe/status/564593271419072512

#Ac/DC and #Sam Smith get the #Grammys2015 off to a rockin start

— Martha MacCallum (@marthamaccallum) February 9, 2015

Love the old school opening @acdc yay for the 80's! #Grammys2015

— Cheryl Casone (@cherylcasone) February 9, 2015

AMAZING. @acdc opens #Grammys2015! Scandalous they haven't played til now.

— Dana Loesch (@DLoesch) February 9, 2015

But, there were a few jokes about the age of the band:

AARP/DC

— Jimmy (@JimmyPrinceton) February 9, 2015

https://twitter.com/SebastianMCotto/status/564591280320028672

And then there was this:

https://twitter.com/THRMattBelloni/status/564590424270979075

https://twitter.com/THRMattBelloni/status/564590424270979075

What???

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