Complex sentence: The market was featured in the 1971 musical film, Bedknobs and Broomsticks and an extended scene involving a long song and dance in and around the market, features many lyrics which are all in reference to the market and the people who live and work there.
Split into simpler sentences: The market was featured in the 1971 musical film, Bedknobs and Broomsticks in a scene involving a song and dance in and around the market. The lyrics refer to the market and the people who live and work there.