sentence: Many festivals happen every year, or at some other common interval.
sentences_before: A 'music festival' is a festival where music is played. Music festivals are usually outside, and often have other attractions such as food, games, and other forms of entertainment. They sometimes have a theme such as genre or nationality.
sentences_after: However, some only happen once. A music festival can be held for profit or for charity.
concept_name: festival
headings: Music festival