Image via Wikipedia From Kill 'Em All to Death Magnetic, Metallica has stood the test of time. In the past few months the most powerful and influential heavy metal band in history gained a little more strenth. A new album releasethat debuted at number one in September, Guitar Hero Metallica released in March and induction into the Rock and Roll Hall of Fame in April. Metallica has transcended the social gap between metal and mainstream like no other band in hard rock history