Finn does a cover of "Jessie's Girl" on the Glee episode "Laryngitis." What did you think of this rendition of such a classic?
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Finn sings "I"ll Stand By You" in this clip. Sorry to say, you can only hear him do so.
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Glee Quotes

[to Blaine] Relationships are about trust. And I don't trust you anymore.

Kurt

Mercedes: Sam just Tweeted that I smelled good.
Sam: I won't stop until it's Trending.