The 4 Best Discoveries of the 2015 Sound + Vision Festival

Music documentaries are often seen as films with built-in audiences. Fans of an artist are pretty likely to go see them perform on screen, after all. Amy Winehouse’s enormous popularity in life is certainly part of why Amy has been such a record-breaking success, alongside the fascination with her tragic death. Yet what pushes Asif Kapadia’s hit over th…