Additionally, indie rock has fused to create several new genres and subgenres. Indietronica, or indie electronic music, is a genre which fuses elements of indie rock, pop and electronic music, and often makes usage of synthesizers and drum machines. Alternative dance music, or indie dance, is also a genre which fuses elements of electronic dance music, alternative rock, indie rock and New Wave, usually incorporating elements of the rock genres and using them in a dance-based context.