I just got into heavy metal and my favorite band is Metallica
They are my favorite heavy metal band from Los Angeles.
what year did they start?
They started in 1981 by Lars Ulrich and James Hetfield.
where they boyhood friends or just happen to meet each other?
I am not sure but they added Kirt Hammett on guitar and Robert Trujillo on bass.
oh ok, i know they had different bass players, who is the one who died?
That would be Cliff Burton who died in 1986.
yea, now I remember, didn't he died while on tour?
I do not know but I know he joined Metallica in 1982.