The O was electronic and underground rap group spearheaded by vocalists and writers Druggy G (Michael Greenwald) and Nepo (Michael Nepo) . Their production often incorporated elements of breakbeats, IDM, and electronic music over heavy hip-hop verses. On June 1, 1998 their first album Nightmerica was officially released. It featured production by Mike Fossenkemper, who had previously worked with prominent acts like Public Enemy and LL Cool J. Following their 1998 release Read more on Last.fm