  progressive metal (sometimes known as prog metal or prog-metal) is a subgenre of both progressive rock and heavy metal, originating in the united kingdom and the united states in the 1970s. progressive metal blended elements of heavy metal and progressive rock music, taking the loud "aggression""progressive metal". allmusic. archived from the original on november 24, 2011. and amplified electric guitar-driven sound of the former, with the more experimental, complex and "pseudo-classical" compositions of the latter. progressive metal often utilises the conceptual themes associated with progressive rock. throughout the years, progressive metal has borrowed influences from several other genres, including classical and jazz fusion music. whilst the genre emerged towards the late-1980s, it was not until the 1990s that progressive metal achieved commercial success. dream theater, queensrÃ¿che, toolallmusic. tool. retrieved
Heavy_metal_subgenres Progressive_metal Progressive_rock