What is national anthem?

A national anthem is a composition, usually in the form of a song, that represents and expresses the history and culture of a country. It is a symbol of national identity and unity, and is typically played or sung at official events such as sports games, national celebrations, and official ceremonies. The lyrics and music of a national anthem often invoke pride, patriotism, and respect for the nation, and may reference its history, struggles, achievements, and values. National anthems are officially adopted by countries and are considered important cultural and ceremonial symbols.