The World Class Wreckin Cru was an influential electro group active during the mid-1980s in Los Angeles, California. Their music was characterized by a fusion of electronic sounds and early hip hop, with a notable emphasis on synthesizers and drum machines. The group is significant for including future N.W.A members Dr. Dre and DJ Yella, and for their hit single "Turn Off the Lights". Their blend of styles helped lay the groundwork for the emergence of the West Coast hip-hop sound.