Title from container. British Board of Film Classification: 15. Contains strong language. Suitable only for persons of 15 years and over. Not to be supplied to any person below that age. Director and producer: Jeremy Marre ; Supervising Producer: Peter Worsley ; Executive Producers for Eagle Rock Entertainment Ltd: Geoff Kempin and Terry Shand. Vocals, Amy Winehouse. Documentary includes subtitles in optional English, German, Spanish, French, Portuguese.