In the UK, Asif Kapadia’s study of the late singer has charted the highest ever box office for a homegrown non-fiction film, and scored a $37,002 site average in the USA remarkable initial box office performance has given a substantial awards push to Asif Kapadia’s documentary about the late singer Amy Winehouse.Amy, which has earned five-star reviews and picked up strong word-of-mouth since premiering at Cannes in May, recorded the biggest ever opening weekend for a British documentary in the UK, and the second biggest (discounting concert films) of all time.