On the eve of April Fools’ Day and the release of Weezer's new album, Rivers Cuomo -- donning his very best Elvis garb -- and the whole gang were the musical guests on The Tonight Show Starring Jimmy Fallon.

Weezer’s latest self-titled effort, better known as “The White Album,” is out today, and Cuomo and company stopped by Fallon to perform the anthemic single “King of the World.” If you missed the episode, you can catch their segment at the top of the page. “The White Album” is now available for purchase at at iTunes and Amazon. You can grab a physical copy at the band's website or stream the album on Spotify.

Weezer will kick off a tour with Panic! at the Disco this summer; they have dates on the books between June 10 and mid-August. The band will also play Beale Street Music Festival in Memphis, Tenn.; Pentaport Rock Festival in Incheon, South Korea; and Summer Sonic in Tokyo and Osaka, Japan. Check out their complete itinerary right here. Unfortunately, you’re too late to snag that extravagant, all-inclusive trip to the Galapagos with Cuomo.

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