Entertaiment is an activity that occupies leisure time, or helps people relax and enjoy themselves (2,3,4,5). It may be sedentary, such as a television set or a computer game; or active, such as sports and music. It may involve play, such as children’s entertainment (9) or the performance of adults (10) – for example, the story of Scheherazade is used by professional storytellers and has inspired operas from composers Rimsky-Korsakov and Ravel, and film and video games.