Related Information for Adult. ADULT. is an electro band from Detroit, Michigan that integrates vocals with drum machines, analog synths and electronic/punk elements.They started releasing albums in 1998 under the pseudonymn "Plasma Co."Initially, ADULT. members were unrevealed, but now it is known that the band consists of husband-and-wife Adam Lee Miller (formerly of Le Car) and visual artist Nicola Kuperus. The two members are also the founders of the Ersatz Audio record label. Upon the release of.. read more