Amy Winehouse's duet with Tony Bennett – one of her last recordings – will be released as a charity single, according to reports.
The veteran crooner told NBC's Today programme that royalties from the song Body And Soul would go to the foundation set up in Amy's name by her father.
He said Amy, who died last month, "sang beautifully" on the track, which features on his new album of duets.
"What's going to happen is that we're putting that out ahead of the album.
"And it's going to a foundation that her father started to teach all the young children not to take drugs, and all the royalties of the record will go to that."
Amy's father Mitch said the duet was "the most fitting tribute of all at this very difficult time".
The foundation he is setting up will support people struggling with drink and drugs and "help thousands of people...That is Amy's legacy."
"We intend to raise funds and distribute them to individual projects who apply for help.
"I couldn't be happier that everyone involved with Amy and this recording felt they wanted to contribute."
According to The Sun, the charity will have its headquarters in Amy's former Camden, North London, property.
The newspaper quotes a source as saying the Winehouse family considered the home "too precious" too sell.
Discussing the new charity, the source said: "Everyone is united in making it a success - the label, her family, friends and management.
"Having the offices in her old house is something they all thought made sense."
Mitch visited Parliament earlier this week to plead with the Government to reform drug rehabilitation centres for youngsters.
More news on the life and death of the star
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