US rapper Eminem is to make his long awaited return to music with new album, 'Relapse'.

The rapper announced the title of his sixth studio album during an appearance on Sirius Satellite Radio.

The rapper, who was appearing to promote his book The Way I Am, also introduced a new song, 'I'm Having A Relapse'.

He said the album has been produced mostly by long term collaborator Dr Dre. The record could be released before the end of 2008.

Eminem's last release, a best of compilation entitled 'Curtain Call: The Hits', sold 2,9million copies in the US. His last studio album, 2004's 'Encore', sold 5.1million units.

(by Jason Gregory)