Progressive metal originated in the 1970s in the UK by blending elements of heavy metal and progressive rock. It incorporated loud guitars, bass, percussion and keyboards and was influenced by genres like classical and jazz fusion. Bands like Dream Theater, Fates Warning, Yes and Genesis helped achieve commercial success for progressive metal in the 1990s, though its popularity declined later that decade. Progressive metal features heavy metal sounds but is less noisy and often deals with sinister or sorrowful topics through various instruments. Neo-classical metal was inspired by classical music and featured technical playing from both classical and heavy metal styles, being popular in the late 1970s to early 1980s. It primarily uses electric guitar, bass, drums and keyboards and sounds