This document discusses the history of major music festivals in the UK from the late 1960s to the present. It notes several iconic early festivals such as the Isle of Wight Festival and Glastonbury Festival. It then discusses the growth of Glastonbury Festival from a small event to one that sells out in just a few hours and attracts over 100,000 people annually. The document also outlines some of the impacts, both positive and negative, that large music festivals can have on communities, the environment, employment, and culture.