UK Bass, also known as Bass Music, is a collection of progressive electronic dance music genres that emanated from the UK starting in the 1990s. As the various styles evolved, this has grown to include Dubstep, Drum and Bass, Artcore, Darkstep, Skullstep, Drumfunk, Hardstep, Jump-Up, Liquid Funk, Sambass, Techstep, Technoid, Neurofunk, Breakcore, Darkcore, Raggacore, Digital Hardcore, Ragga Jungle, and other progressive electronic music styles, all of which evolved from early roots in DnB, Breakbeats and Electronica.