Oi! is a working class street-level subgenre of punk rock that originated in the United Kingdom in the late 1970s. The genre featured somewhat crummy sound, loud and audible bass lines, energetic and simple drumming and electric guitars USUALLY are NOT down-tuned but also Oi! songs are usually short and often feature guitar solos usually sounding a little bluesy and often the genre is influenced by punk rock and folk. The music and associated subculture had the goal of promoting unity between punks Read more on Last.fm.