Metallica is an American heavy metal band that formed in 1981 in Los Angeles, California. Founded when drummer Lars Ulrich posted an advertisement in a Los Angeles newspaper, Metallica's original line-up consisted of Ulrich, rhythm guitarist and vocalist James Hetfield, lead guitarist Dave Mustaine, and bassist Ron McGovney. Mustaine and McGovney were later replaced by Kirk Hammett and Cliff Burton respectively. (courtesy: Wikipedia.org)