Watch: STAR WARS Cast Sings A Cappella Theme Song, and Oscar Isaac Croons Like Bill Murray

I don't know if you've heard, but Star Wars: The Force Awakens comes out this week. If you're trying to avoid spoilers, you can check out my spoiler-free review here, but if you don't want to see any more footage or know anything about the movie at all before you see it, then I have two fun videos for you that will scratch your Star Wars itch with zero chance of being spoiled.

First up, here's the cast singing an a cappella version of John Williams' iconic score on The Tonight Show with Jimmy Fallon, accompanied by Fallon himself and The Roots:

Jimmy and The Roots join Daisy Ridley, John Boyega, Oscar Isaac, Adam Driver, Gwendoline Christie, Lupita Nyong'o, Carrie Fisher and Harrison Ford for an a cappella tribute to "Star Wars."

Fun, right? To continue the music theme, The Force Awakens' Oscar Isaac busted out an acoustic guitar for GQ and started playing "Broadway" before turning it into a cover of Bill Murray's famous SNL crooner Nick Winters' version of the Star Wars theme song. You know the one. Isaac, who used to be in a ska band in the '90s (!), recently showed off his singing skills in the Coen Brothers' Inside Llewyn Davis, so of course he does a great job with this.

Oscar Isaac is no stranger to the guitar: in fact, he might never have gotten his big break in Llewyn Davis without it, as as he points out in the January cover story (http://www.gq.com/story/oscar-isaac-star-wars-the-force-awakens-interview). To put him to the test, we asked if he could cover Bill Murray's iconic Star Wars lounge singer sketch from Saturday Night Live.