Janet Jackson's first hits compilation in over fourteen years, "Number Ones," hits stores today featuring her biggest hits, single mixes, and collaborations. The 2-disc set features thirty-three of her international smashes, plus the new dance hit "Make Me."

Mary J. Blige, Sugarland, and Usher are just some of the names set to appear at this year's "Christmas in Washington," the annual holiday concert airing on TNT on Sunday, December 20th at 8pm ET/PT.

Sirius XM Radio has announced the launch of a new 24-hour commercial-free channel devoted to the music of jazz legend Miles Davis. The Miles Davis Radio will run on a limited basis from November 20 to 25 on Sirius channel 72 and XM channel 70.

Apple Corps, Ltd., MTV Games, and music-based games developer Harmonix announce that The Beatles' 1967 album "Sgt. Pepper's Lonely Hearts Club Band" will be available for download in The Beatles ™: Rock Band ™ Music Store.

British songstress Leona Lewis has been tapped to sing the theme song for James Cameron's much-hyped sci-fi film "Avatar." The "X Factor" champ has recorded "I See You" for the closing credit of the movie.

Bianca Ryan is only 15 years old and she just released her second Christmas EP. The first season winner of "America's Got Talent" releases the "True Meaning of Christmas."

Grammy Award-winning violinist Joshua Bell will star in a new PBS concert special from the Emmy Award-winning series, "Live from Lincoln Center." He's also getting a little help from friends like Emmy and Tony Award winner Kristin Chenoweth, among others.

"Now there really is an app for everything," says Britney Spears, promoting her new iPhone App in a new clip. The "Circus" singer just released her new official app for the iPhone, which includes news, photos, and more.

Beyonce's "Video Phone" is set to have its video global premiere on November 16 across 60 channels on MTV networks. The single's new remix and music video will see the R&B songstress belting it out with Lady Gaga.

Lady Gaga is set to team up with photographer Nick Knight and filmmaker Ruth Hogben to create a unique video project for her 2009-2010 Monster Ball Tour. The project has also given open invitations to all Lady Gaga fans to be a part of video imagery.

The first "A Very Special Christmas" compilation was released over twenty years ago featuring songs from Whitney Houston, Madonna, and Sting. Now, the seventh holiday collection to benefit the Special Olympics is being released featuring music from stars like Miley Cyrus, Colbie Caillat, and Carrie Underwood.

Leona Lewis just released her new album, "Echo," all over the world and one of the album's tracks has been chosen as the theme song for the latest "Final Fantasy" game, "Final Fantasy XIII."