There are, at least, seven artists known as Shock. 1)A 1970's Brazilian tradicional Heavy Metal band from João Pessoa (Paraíba), one of the pioneers of this music style in Brazil. 2) A UK-based experimental new wave music, dance & mime troupe, who recorded a series of singles, in the early 1980s (aka SHOCK (UK)). Two prominent members - Tim Dry & Sean Crawford - went on to form the 'new wave' duo Tik and Tok & appear in the Return of the Jedi film.