article_snippet: It is one of the world's best loved musicals - the true story of a novice nun who falls in love with a widower and his seven children.
article_snippet: From Julie Andrews waltzing through the Alps to seven children behaving perfectly,  The Sound of Music might look like it portrays the family everyone wants.
article_snippet: The Sound of Music portrays, his mother son has revealed in a new book .
article_snippet: The family, including Andrews (centre), perform a song in the film.
article_snippet: The popular film was made after Broadway found a book  detailing the family's adventurers.
article_snippet: The Sound of Music Story, by Tom Santopietro, is out now.