Answer
In 1981, James Hetfield, alongside drummer Lars Ulrich, co-founded Metallica in Los Angeles. The band's initial lineup also included guitarist Dave Mustaine and bassist Ron McGovney. Metallica's aggressive musical style, characterized by fast tempos, heavy guitar riffs, and Hetfield's distinctive vocals, would go on to shape the sound of thrash metal and make Metallica one of the most influential and commercially successful bands in heavy metal history.