Heavy metal music originated in the early 1970 s and is the product of late hippie culture. The bands that have always been regarded as the father of heavy metals are a group of old bands, such as led zeppelin, although they are usually regarded as hard rock. Style heavy metal music reflects the power of music itself by adding a lot of distortion effects to the guitar, which you used in early hippie bands. Jimi hendrix was the first person to widely use the distortion effect. Because Jimmy's psychedelic music belongs to pure hippie culture, his distortion is mostly used to express illusion, freedom and inner conflict, not strength. Heavy metal music strengthens this distortion through chord direction and rhythm. , and show its strength, derived from a variety of heavy metal factions, such as death metal, speed metal, torrent metal, rolling metal, popular metal and so on, which surfaced in the 1980s and achieved great commercial success.

JIMI· Hendrix, God of Guitar

Later heavy metal music, especially the new metal music in the late 1990s, paid more attention to power and order, and even completely gave up the "freedom" in music, full of mechanical rhythms, massive chords, heavyweight distortions and slogan lyrics! This new metal music is the product of the combination of hard-core music represented by "Black Flag" band and death metal in the late 1970s.