Watch out Beyonce and Katy Perry. There’s another diva set to performing during the inauguration festivities ““ Lady Gaga. A person familiar with the inauguration tells The Associated Press that the pop star will perform at Tuesday’s ball for White House staffers. The source spoke on condition of anonymity because that person wasn’t authorized to publicly reveal the information. [ASSOCIATED PRESS]

PRESIDENT OBAMA’S Inauguration Playlist leads tonight’s music [at rdio - easy sign up], as well as introduces a new feature at TM that will pop up occasionally, when the mood strikes.

The President’s Inauguration Playlist is a fantastic collection. Beyoncé’s “I Was Here” seems very appropriate. Marc Antony “Mi Gente” is included, and of course, “Girl on Fire” from Alicia Keys, and “Edge of Glory” from the cast of “Glee.” The amazing John Legend’s “Ordinary People” was chosen, along with artists Katy Perry, Brad Paisley, Kelly Clarkson, Usher… and more, including Smoky Robinson, and Jackie Wilson.

Beyond Obama… Justin Timberlake is back and according to Rolling Stone

Justin Timberlake’s comeback single, “Suit and Tie,” is on track to sell an estimated 330,000 to 350,000 downloads in its first week, making it his best sales week ever for a song, Billboard reports.

Though the song is currently only available on iTunes, early forecasts put sales for “Suit and Tie” “” the first single from Timberlake’s long-awaited new album The 20/20 Experience “” around 400,000. While it may not hit that mark, the new estimate greatly surpasses first week sales for 2006’s “SexyBack,” which had 250,000 downloads.

Not new at all is Will.i.am, with Britney Spears (from November 2012), and a Taylor Swift’s way beyond country hit (December 2012), both still making MTV’s list of top 20 music videos.