Die hard fans of The Sound of Music can stay at Arthouse hotel in a movie themed hotel room based on their favourite musical movie. Even the most devoted fans of the film may not know the magical musical movie was based on real memoirs written by Maria Von Trapp an actual nun that came to the Von Trapp family after Cpt Von Trapp’s first wife passed away from scarlet fever.

What’s more is that the Von Trapp family were actually a band that performed together for nearly thirty years in the US after escaping Salzburg during the Anschluss, the occupation of Austria by Nazi power.

Here are 20 more amazing facts from the filming of the movie even the biggest fans may not know.

Why the writer of Sound of Music memoirs was absent from premier

Maria Von Trapp, writer of Sound of Music memoirs was not invited to the premier of the