There are at least four bands/projects named Culture Shock:
1) Culture Shock were an anarcho-punk / punk-dub-ska band formed in Warminster, Wiltshire, UK, in 1986 by Dick Lucas, previously of the Subhumans.
2) Culture Shock is a James Pountney, a young up-and-coming drum and bass DJ/producer from London who is signed to Ram Records.
3) Culture Shock is a hardcore punk band, with thrash influences, from Syracuse, New York.
4) Culture Shock are a Denver straight edge hardcore band. Read more on Last.fm