Heavy Metal music was developed in the 1970's.
Heavy metal -LRB- or simply metal -RRB- is a genre of rock music that developed in the late 1960s and early 1970s , largely in the United Kingdom and the United States .. United Kingdom. United Kingdom. United States. United States. rock music. rock music. With roots in blues rock and psychedelic / acid rock , the bands that created heavy metal developed a thick , massive sound , characterized by highly amplified distortion , extended guitar solos , emphatic beats , and overall loudness .. acid rock. acid rock. blues rock. blues rock. psychedelic. psychedelic rock. distortion. distortion ( music ). blues. blues. Heavy metal lyrics and performance styles are sometimes associated with aggression and machismo .. aggression. aggression. machismo. machismo. In 1968 , the first heavy metal bands such as Led Zeppelin , Black Sabbath and Deep Purple attracted large audiences , though they were often derided by critics .. Led Zeppelin. Led Zeppelin. Black Sabbath. Black Sabbath. Deep Purple. Deep Purple. During the mid-1970s , Judas Priest helped spur the genre 's evolution by discarding much of its blues influence ; Motorhead introduced a punk rock sensibility and an increasing emphasis on speed .. Judas Priest. Judas Priest. blues. blues. Motorhead. Motorhead. punk rock. punk rock. Beginning in the late 1970s , bands in the new wave of British heavy metal such as Iron Maiden and Saxon followed in a similar vein .. new wave of British heavy metal. new wave of British heavy metal. Iron Maiden. Iron Maiden. Saxon. Saxon ( band ). Before the end of the decade , heavy metal fans became known as `` metalheads '' or `` headbangers '' .. metalheads. Heavy metal subculture. headbangers. headbanging. During the 1980s , glam metal became popular with groups such as Motley Crue and Poison .. glam metal. glam metal. Motley Crue. Motley Crue. Poison. Poison ( American band ). Underground scenes produced an array of more aggressive styles  : thrash metal broke into the mainstream with bands such as Metallica , Megadeth , Slayer , and Anthrax , while other extreme subgenres of metal such as death metal and black metal remain subcultural phenomena .. black metal. black metal. death metal. death metal. thrash metal. thrash metal. Underground scenes. Underground music. Metallica. Metallica. Megadeth. Megadeth. Slayer. Slayer. Anthrax. Anthrax ( American band ). extreme subgenres of metal. extreme metal. subcultural. subculture. Since the mid-1990s popular styles have further expanded the definition of the genre .. These include groove metal -LRB- with bands such as Pantera , Sepultura , and Lamb of God -RRB- and nu metal -LRB- with bands such as Korn , Slipknot , and Linkin Park -RRB- , the latter of which often incorporates elements of grunge and hip hop .. groove metal. groove metal. nu metal. nu metal. Pantera. Pantera. Sepultura. Sepultura. Lamb of God. Lamb of God ( band ). Korn. Korn. Slipknot. Slipknot ( band ). Linkin Park. Linkin Park. grunge. grunge. hip hop. Hip hop music