'Glee' Season 4 Music: Listen to a Britney Spears/Justin Bieber Mash-Up, If You Dare

We're still a week away from the season four premiere of "Glee," but the show is nothing if not a master at Web integration and self-promotion. That's why you can listen to some of the music from the fourth season early!

One of the songs being given an early release is a mash-up of Britney Spears and Justin Bieber, which I was pretty sure would cause a tear in the space-time continuum, but it apparently okay to do. The mash-up is between Bieber's "Boyfriend" and Britney's "Boys." Makes sense.

You can expect some big things from the upcoming season, as it's a big transition and potentially a defining set of episodes for the show. Now that most of the show's stars have graduated from their fictional high school, the show will be split between at least two locations (New York and Ohio), if not more (Los Angeles? Louisville? The Army?).

We do know that Rachel and Finn will be reunited at some point (of course), but things might be rockier for Blaine and Kurt, as Kurt is set to move in with Rachel in New York City shortly into the season. You can get some more info in our recap of Ryan Murphy's season four Q&A.

Check out the mash-up below: