Original sentence: Punk rock represented a return to the simplicity of early rock and roll, reacting against what many felt hippie culture had become, and the perceived over-virtuosity and bloated stage performances of 1970s progressive rock and heavy metal, both of which featured long, intricate solos that were difficult for amateur bands to play
Edited sentence: Punk rock represented a return to the simplicity of early rock and roll, reacting against overblown hippie culture and the perceived over-virtuosity and bloated stage performances of 1970s progressive rock and heavy metal, both of which featured long, intricate solos that were difficult for amateur bands to play