Dubstep is a genre of electronic dance music that originated in South London, England. It emerged in the late 1990s as a development within a lineage of related styles such as 2-step garage, broken beat, drum and bass jungle, dub, and reggae.
Hip hop is a musical genre which developed alongside hip hop culture, and is commonly based on concepts of looping, rapping, freestyling, DJing, scratching, sampling and beatboxing.
Rock music is a genre of popular music that entered the mainstream in the 1960s. It has its roots in 1940s and 1950s rock and roll, rhythm and blues, country music and also drew on folk music, jazz and classical music.