Watch Amy Winehouse’s record ‘Back To Black’ in the studio with Mark Ronson.

Amy Winehouse is the subject of Asif Kapadia’s new documentary Amy, opening nationwide on Friday, and a never-before-seen clip from the film is giving music fans an inside look at a 2006 recording session with Winehouse and producer Mark Ronson.

Watch the moment Winehouse recorded “Back to Black” in the video below. Heartbreaking.