Metal is a musical style with its own characteristics and sounds just like any other musical style, but the special thing about it to me is the fact that it unites people together like no music has since the 50's. A long time ago before certain technology was developed, almost everyone knew how to play an instrument (mainly the pianoforte or something of its equivalent) and most knew how to sing. Before reading it was an entertainment, the only true form of entertainment besides violence or se