Korpiklaani is often thought to be the best folk metal band of all time.
Metallica, Slayer, Motorhead, Black Sabbath. Metallica and Megadeth.
"Iron Maiden are the best metal band and one of the best rock bands there has ever been" said by Lars Ulrich (Drummer of Metallica)
Moonspell
slipknot
Pantera!
Immortal Darkthrone
Children of bodom
Gold of course !
No the best band in the world is by far a day to remember
"WhiteChapel" or "as blood runs black"
OK.The greatest band is Metallica.they are the best band because Metallica won the most metal awards and also because they simply are. Hope this helps you.