It starts off … This is a list of heavy metal artists from the formative years of the movement (formed between 1963 and 1981).For bands that formed after 1981, please consult the lists for each heavy metal subgenre. The group would break up in 1994, going out on two fantastic records that grunge and heavy metal fans alike should be able to appreciate. The 25 Most Important Metal Bands of the '90s 0 The 25 Most Important Metal Bands of the ’90s: #16, Rage Against the Machine Like a midget circus colliding with a horror flick colliding with Willy Wonka's sinister uncle. Coming on like Madness playing with Frank Zappa, Carousel provided an outlet for Mike Patton's crazier musical ambitions that didn't need to be approved by his colleagues in Faith No More. In the late 1960s a number of bands began pushing the limits of blues rock into a new genre which would be called heavy metal.. Given free rein, he comes up with song that gets increasingly more eventful as it proceeds but never loses its grip on melody. The top 5 heaviest grunge bands … Metallica - 'Metallica' (1991) Metallica's self-titled album is better known as "The Black Album." Heavy Metal Golden Years | Classic Metal Playlist | '80s, '90s … Type O Negative paved the way for sexiness in metal, for all the doom and goth-inspired bands that would follow and being for being unashamedly real. "Every Rose Has Its Thorn" - Poison. To us, this is the quintessential hair metal ballad.