This document provides an overview of arts festivals in the UK, including the Edinburgh Festival and BBC Proms. It discusses why festivals have become popular with audiences and cities. Audiences enjoy the excitement, celebration, and opportunity to see new works. Cities benefit from economic impacts and showing themselves at their best. Artists appreciate the opportunities to experiment, have their works commissioned and premiered, and engage with other artists. Festivals generate income from various sources like arts councils, ticket sales, businesses, and additional sales.