Harmonix announced today on Twitter that LMFAO's Party Rock Anthem, Kool & The Gang's Celebration, and Avicii's Wake Me Up are now available in Rock Band 4 as DLC.

Players can buy all three tracks in a New Years Eve 2016 Pack for $5.49, or they can be purchased separately for $1.99 each. A weekly challenge called In the Midnight Hour is currently running in game. By playing tracks Heaven's Basement, Party Rock Anthem, and Uptown Funk, players can rack up extra Crew XP.

Rock Band 4 is currently available for PS3, PS4, Xbox 360, and Xbox One.