I have always admired the American heavy metal band Metallica.
They are very talented, but I don't like their individual personalities. Great group, though
I feel you on that. Metallica has been around since 1981 when Lars Ulrich and James Hetfield got together. It says something when a band lasts that long.
Yes it does. The original guitarist went on to form Megadeth
Metallica is also known as one of the "big four" in the trash metal scene. 
What are the other three?
Alongside Metallica, you have Slayer, Megadeath, and Anthrax. These bands were known for their fast tempos and aggressive musicianship.  
I will have to check them all out. I have heard of them.
heavy metal, appealed to a more mainstream audience, achieving substantial commercial success and selling over 16 million copies in the United States to date, making it the best-selling album of the SoundScan era. After experimenting with different genres and directions in subsequent releases, the band returned to its thrash metal roots with the release of its ninth album, "Death Magnetic" (2008), which drew similar praise to that of the band's earlier albums.
In 2000, Metallica led the case against the peer-to
Broken, Beat &amp; Scarred
"Broken, Beat & Scarred" is the forty-fifth single by American heavy metal band Metallica, and the fourth from their ninth studio album, "Death Magnetic," released on April 3, 2009.
James Hetfield and Lars Ulrich argued at length over the title of this song. Hetfield said that he did not like the title, but Ulrich was "very adamant" that it should be called "Broken, Beat & Scarred".
On March 19,