Alternative rock (also known as alternative music, alt-rock or simply alternative) is a genre of rock music that emerged from the underground music of the 1980s and became popular in the 1990s and 2000s. In this case, the word "alternative" implies the antithesis of mainstream rock music, a musical style independent ideals of punk rock, which laid the foundation for alternative music in the late 1970s: gothic rock, jangle pop, noyz-pop, indie rock, indie pop, grunge, industrial, alternative hip-hop and rap rock.
