It's Thursday, it's late, it's time once again for the game that's sweeping that nation: GUESS THE THEME. All the clips below have something in common. Leave your best guesses in the comments.

The Beach Boys - Sloop John B

Gwen Stefani Ft. Eve - Rich Girl

The Beatles - Back In The U.S.S.R.

Joni Mitchell - California

The Evens - Everybody Knows