Amy Winehouse's Duet With Tony Bennett to Be Released

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Amy Winehouse at 2007's Brit Awards

"Body and Soul," originally to be included on the jazz singer's forthcoming "Duets II" album, will be released as a charity single.

British singer Amy Winehouse, who died at the age of 27 in London, left behind some unreleased music, some of which will finally see the light of day.

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One of her songs, a duet with singer Tony Bennett, will be released to the public, the legendary jazz singer confirmed while appearing on NBC's Today earlier this week. The proceeds to "Body and Soul" will go directly to Winehouse's father Mitch, who is founding a charity to educate young people and fight drug addiction.

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The song was recorded earlier this year in March at London's Abbey Road Studios. It was one of Winehouse's last recorded tracks. The song was originally recorded for the Duets II album, which Bennett will release in September. Lady Gaga, Mariah Carey and John Mayer are among the artists featured on the disc.

Winehouse, who died July 23, had been struggling with drugs and alcohol in recent years. An official cause of death has not yet been released.