sentence: Some concerts are given to very large audiences in the open air.
sentences_before: The performers at a concert are usually raised above the level of the audience on a stage. Concerts may be held in concert halls which are built for the purpose, or they may be held in any other suitable large building such as a school hall, a nightclub, a barn or a large house or castle.
sentences_after: They may take place in a field or in a stadium.
concept_name: concert
headings: Concert