The Descendants is one of the most popular Disney Channel Original Movies to date. With the third and final instalment aired on the Disney Channel recently, it has taken over Disney Parks by storm. Starting with Walt Disney World for the Halloween Parties, Oogie Boogie Bash in DCA and recently added to Disneyland Paris for this week only. With its popularity, last year there was a sing-along inside the Discoveryland theatre during the Soirée evening itself. This year, however, a temporary stage has been built outside Discoveryland and performed during the day leading up to Halloween. I was at the first performance on the 26th October (and most for that…