Superstar rap duo Outkast is planning to record its first album in four years.
Big Boi and Andre 3000 released their last record, Idlewild, in 2006 - which shot to number two in the Billboard 200 and went platinum in the U.S.
The pair took time away from their joint project to focus on solo ventures, but Big Boi has revealed the duo is back in studio - and the material they are working on is "top secret".
He tells BBC Radio 1, "That's all top secret information right now. We can't let people know what we're doing. You better know that something is brewing."
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