Heavy metal topic

Heavy metal (often referred to simply as metal) is a genre of rock music that developed in the late 1960s and early 1970s, largely in England and the United States. With roots in blues-rock and psychedelic rock, the bands that created heavy metal developed a thick, massive sound, characterized by highly amplified distortion, extended guitar solos, and emphatic beats. Allmusic states that "of all rock & roll's myriad forms, heavy metal is the most extreme in terms of volume, machismo, and... full article at wikipedia