Unit 2.1: To understand the develpment of musicals over a specified period of time

For this unit i will be reseaching the musical and how it has developed since the 1920's and present day. I have begun my reseach by going onto http://www.google.co.uk/ and typed in musicals since 1920's and clicked the wikipedia one and it gave me all the infomation i wanted about musicals since 1920 to the present day included the famous ones such as "High School Musical" in present day and the very first musical in the 1920's was called "A Dangerous Maid"High School Musical was produced on stage in 2006 and was put on to screen in 2006 as well also was directed by Kenny Ortega.Grease was produced on screen in 1978 and was directed by Randal Kleiser.