Indie dance (or simply indie) is a term used to describe a music that developed from dance music and post-punk/indie rock music in the 2000s. The term indie dance was applied to describe the styles of contemporary disco punk, 2000s electronic rock, nintendocore and new rave. Stylistically, indie dance music can range from acoustic to electroacoustic to pure electronic. It usually has four-to-the-floor or two step beat, a bassline, rich synthetized or guitar-driven melodies. The vocals in indie dance range from monotonic to screaming to punk- to disco-styled vocals.