 Their synthesiser-heavy "krautrock", along with the work of Brian Eno (for a time the keyboard player with Roxy Music), would be a major influence on subsequent electronic rock.With the advent of punk rock and technological changes in the late 1970s, progressive rock was increasingly dismissed as pretentious and overblown.Many bands broke up, but some, including Genesis, ELP, Yes, and Pink Floyd, regularly scored top ten albums with successful accompanying worldwide tours.