A 风格 of 舞蹈 音乐 originally known as Jungle 鼓与 'n' 贝斯 发展 in London and Bristol in the early 1990s 影响 by dub reggae HipHop and 铁科诺 it is characterised by 快 digitized breakbeats and a slow 贝斯 groove Among the myriad of sub-genres of 鼓与 'n' 贝斯 are Jump Up TechStep Hardstep and drill 'n' 贝斯