"I like smoke and lightning Heavy metal thunder Racin 'with the wind And the feelin' that I'm under."

But the term was not used properly until in 1970, when Black Sabbath released their classic debut album entitled 'Paranoid'. Quite a lot of Heavy metal bands.

From the 1960's or can be called Blues Rock like Led Zeppelin, AC / DC Classic metal and around until the 70s or 60s called Classic Rock like Black Sabbath, Blue Oyster Cult, Deep Purple, Alice Cooper. The game is played sometimes with metal Classic Organ. The music is controlled olehriff more often played in the minor scales. The vocalist is also influenced by Led Zeppelin, Ozzy Osbourne's metal unless you are affected by air siren.
Underground Metal

Very fast tempo song that was carried by a guitarist who plays rhythm guitar downstroke on Thrash metal by bands like Metallica, Megadeth, Slayer and Anthrax, dubbed the Big Four Of Thrash. In San Francisco there are Testament and Exodus in New Jersey have Overkill and Sepultura from Brazil, then in 1990s, this underground is entered into Extreme metal like Black metal is initiated by rock bands such as Venom, Mayhem, Bathory, Mercyull Fate Death Metal and which tend to use vowels with a low growl and many scream developed in 1991 to Scandinavian Death metal by Entombed, Dismember, Unleashed, and At The Gates Melodic Death metal from Gothenburg in Sweden and in Finland and Norway developed by bands such as Arch Enemy, Dark Tranquillity, Disessction. Florida Death metal is a derivative type of music from thrash metal bands Kreator and Destruction gave birth to the band band from Florida that seem more brutal metal that became Techical pioniri by Cynic (later to evolve into Aghora), Atheist, Immolation, Death. Progressive Death metal that may be more inclined to use traditional visualization and many were understandable, the pioneer is Opeth, Pestilence, Death, Novembre and may Progressive metal by Dream Theater.

The difference with Power metal is the genre's more upbeat and vocalist genre is mostly influenced by Rob Halford and Bruce Dickison bands of this genre mostly from Europe. For example, Europe (Sweden), Iron Maiden (UK), Helloween (Germany). Speed metal and played more quickly is very fast and powerful like Motorhead (of late), Iron Angel, Anthrax.
source :  Wikipedia.org