Metallica is one of my all time favorite bands. They are an American heavy metal band from L.A. 
I really like Metallica.  There was a album where Metallica played with a symphony.  It was my favorite.
They have been around since 1981 formed by Lars Ulrich.
That guy is the best!  Who are some of the other band mates?
Metallica
Metallica is an American heavy metal band. The band was formed in 1981 in Los Angeles, California, by drummer Lars Ulrich and vocalist/guitarist James Hetfield, and has been based in San Francisco, California for most of its career. The group's fast tempos, instrumentals and aggressive musicianship made them one of the founding "big four" bands of thrash metal, alongside Megadeth, Anthrax and Slayer. Metallica's current lineup comprises founding members Hetfield and Ulrich, longtime lead guitarist Kirk Hammett and bassist Robert Trujillo
owe it [his guitar playing speed] all to Y&T. Dave Meniketti is my god."
In the movie Anvil! The Story of Anvil, in the bonus feature interview Lars Ulrich of Metallica talks at length about seeing one of his favorite bands Y&T for the first time at a club in Hollywood in December 1980. Lars Ulrich credits Y&T as the reason he decided to become a musician, saying: "That was the turning point for me wanting to play music...You could tell that they loved what they were