A nightclub is also known as a discothèque or simply a club or disco. Nightclubs operate well into the night, providing food and music. Nightclubs usually play live music or else a mix of songs played by a DJ. Nightclubs are usually frequented by the youth and teenagers and provide act as a meeting place for new acquaintances. Nightclubs may also work on membership basis and have a dress code assigned to avoid scandalous behavioral patterns and vulgarity.