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Madonna

Madonna is planning to head back into the studio to record new music for an upcoming greatest hits album, tentatively due in September.

Details on the project -- which will be her last album for Warner Bros. Records -- have yet to be finalized, says Madonna's longtime publicist Liz Rosenberg. However, she says that "all different options are being explored regarding packaging and content."

One of those options perhaps includes input from Madonna's fans on what tunes should be included on the album. Guy Oseary, the diva's manager, has posted missives to his Twitter account, soliciting suggestions from Madonna's devotees about what tracks "must be on" the album.

Madonna has released two previous best-ofs: 1990's "The Immaculate Collection" and 2001's "GHV2: Greatest Hits Volume 2." She also issued the ballads collection, "Something To Remember," in 1995. "Immaculate" is tied with Patsy Cline's "Greatest Hits" as the top-selling hits albums ever by a solo female in the U.S. -- both are certified at 10 million sold by the Recording Industry Association of America.

In 2007, Madonna signed a long term, all-encompassing deal with Live Nation, which will include her future recorded music. Her last album owed to Warner Bros. is the forthcoming hits package.

Madonna signed to the Warner Bros. Records label Sire in 1982 and she released her first single, "Everybody," that year. Her eponymous debut album bowed in 1983.

Her most recent set, 2008's "Hard Candy," debuted at No. 1 on the Billboard 200 with 280,000. It has sold 714,000 in the U.S. according to Nielsen SoundScan.