The term 'Heavy Music Genre' is often used to refer to the METAL genre of music. METAL is a genre of rock music that originated in the late 1960s and early 1970s, characterized by aggressive, driving rhythms and distorted guitar riffs. It is known for its loud, powerful sound and its use of complex musical structures. METAL has become one of the most popular genres of music, with bands such as Metallica, Iron Maiden, and Slipknot becoming household names.