Glee Preview Video: Watch the Troubletones Tackle an Adele Mashup

And now a clip from next Tuesday’s Glee (8/7 c on Fox) that will have you wondering why the heck Mercedes was forced to attend New Directions’ booty camp. Indeed, Ms. Jones shakes it on down with Santana, Brittany, and the rest of the Troubletones on a mashup of Adele’s “Rumour Has It” and “Someone Like You” — which just so happens to be the show’s 300th musical performance!

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Rachel and Kurt, beware, this performance is visually awesome. And vocally (thanks to Amber Riley and Naya Rivera) it’s even awesome-er. Press play, enjoy, repeat. Then hit the comments and share your thoughts on this little slice of preview heaven.