When you’re out promoting a movie, you’re often asked to do a lot of things, most of them pretty silly. With the amount of press the cast of Star Wars: The Force Awakens was being asked to do, there were asked to do a lot of silly things, none perhaps as silly as going on The Tonight Show Starring Jimmy Fallon and singing a medley of Star Wars music a cappella.

But the entire cast — including Harrison Ford! — actually commits, and it turns out to be pretty fun.

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