The 19 Most Epic Glee Performances of All Time

Glee is known for its bevy of flawless mashups, but the girls' rendition of The Rolling Stones' "Start Me Up" and Bon Jovi's "Livin' on a Prayer" could easily be in the top three. For many teen fans who didn't recognize these songs on their own, this was a great song! And for the adults who loved both singles, it was a fun, impressive take, syncing the two tracks together.