How many movies have Alan Menken and Trevor Dion Nicholas collaborated on?

They have worked on 2 movies together! Their first movie together was Disney's Broadway Hits at London's Royal Albert Hall (2016) while their highest rated movie together was Hollywood in Vienna 2022: A Celebration of Disney Classics - Featuring Alan Menken (2022). They have not worked together since Hollywood in Vienna 2022: A Celebration of Disney Classics - Featuring Alan Menken (2022).