Before her tragic passing, Amy Winehouse recorded a duet with the legendary Tony Bennett for the jazz legend's upcoming 85th birthday compilation album Tony Bennett: Duets II out September 20.

"Body & Soul" was recorded back in March at the famous Abbey Road Studios in London and is Amy's last piece of recording before her untimely death at the age of 27. Amy expresses her thoughs on the magical collaboration and gives viewers her thoughts on why "Body & Soul" was her perfect song.

The single and music video will be available on iTunes September 14—which is Amy's birthday—with all proceeds going to The Amy Winehouse Foundation to provide support for young people suffering from substance and alcohol abuse issues. Watch and see how the historical duet came about.