Typically, it contains street dancing or break dancing, hip hop music or rapping, house or techno music, turntablism, or other activities developed in inner-cities and made popular through commercialization. Hence names for cultural artifacts like urban music could be seen as a new term.

Metrosexualism, goth, emo, gangster...I really don't think they are great at all.

http://en.wikipedia.org/wiki/Urban_culture

Personally I am really not a fan of urban cultures.