Newsted left the band in 2001 and was replaced by Robert Trujillo in 2003. Jason Newsted replaced him less than two months later. In September 1986, Metallica's tour bus skidded out of control and flipped, which resulted in Burton being crushed under the bus and killed. These last two were later replaced from the band, in favor of Kirk Hammett and Cliff Burton, respectively. 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. Metallica is an American heavy metal band that formed in 1981 in Los Angeles, California.