What was the tradition of 'London Season'? Explain different forms of entertainment came up in 19th century England to provide leisure activities for the people?

Several cultural events such as the opera, the theatre and classical musical performances were organised for the elite group-of 300-400 families in the late 18th century.
Working classes met in. pubs to have a drink or to exchange news.
Some form of large-scale entertainment for the common people started with money from the state. Libraries, art galleries and museums were established in the 19th century to provide people with some form of entertainment as well as to equip people with a sense of history and pride in the achievements of the British.
Music halls were popular among the lower classes.