Walt Dohrn ('Trolls Band Together' director) on specific songs moving 'the story forward in a unique way'

Walt Dohrn ('Trolls Band Together' director) on specific songs moving 'the story forward in a unique way.' One challenging task was choosing Branch’s four brothers as boy band BroZone: Eric André, Troye Sivan, Kid Cudi and Daveed Diggs. Gold Derby editor Charles Bright hosts this special 'Meet the Experts' panel with film animation contenders.