NEW YORK (Billboard) - Mariah Carey has dubbed her next album "E=MC2," and will release it April 15; the R&B-leaning first single "Touch My Body" hit U.S. radio outlets this week.

The Island/Def Jam set comes three years after Carey's previous album, "The Emancipation of Mimi," which has sold 5.8 million copies in the United States, according to Nielsen SoundScan, and earned three Grammys.

The new album features production from the likes of Jermaine Dupri and will.i.am, as well as collaborations with R&B singer T-Pain and reggae star Damian Marley.

Other tracks expected to appear on the album include "Migrate," "Love Story," "Lovin' You Long Time" and "OOC."

Mariah Carey is still going up. She is definitely a great singer with powerful voice. I love her as she is still gorgeous and looks young and that her real age doesn't show.

Saw here new video yesterday. Not bad. They also said, that Mariah is the most successful artist ever?!

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I don't see how Mariah can be more successful than Michael Jackson or The Beatles (among many others), but I do know that her duet she did with Boys II Men stayed #1 longer than any other song in history, at least that's what was said about 4 years ago.

I like Mariah Carey because she sings really well. She's not like other artist who can't sing really well but have great bodies. For me, Mariah has the complete package.

Mariah is beautiful, and she can really sing, but unfortunately, I'm not a big rhythm and blues fan, so none of her music has ever really appealed to me. I find it really difficult to believe that she is the most successful artist. Where did you hear that?

I don't really like her nor her muscial style - but credit must be given to her for beating Elvis. Good job girl!

She'll definitely go down as one of the best. Not sure if she's the best ever though - for one, it's really hard to name a single artist to the title, as there are tons of things to consider to name someone as the best ever.

I also find her very sweet and she looks pretty young in her videos.She has a very expressive voice.I like the butterflies around her body in one of her videos.

I am not actually a fan of her but find her latest album rather pleasing. She also beat Elvis - good for her.