Death Magnetic is the ninth studio album by American heavy metal band Metallica, released on September 12, 2008, through Warner Bros. Records. The album was produced by Rick Rubin, marking the band's first album since ...And Justice for All (1988) not to be produced by longtime collaborator Bob Rock and co-produced by Hetfield and Ulrich. It is also the first Metallica album with bassist Robert Trujillo, and the second to share writing credit to all of the band's members.

Metallica is an American heavy metal band. The band was formed in 1981 in Los Angeles by vocalist and guitarist James Hetfield and drummer Lars Ulrich, and has been based in San Francisco for most of its career. The band'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 and primary songwriters Hetfield and Ulrich, longtime lead guitarist Kirk Hammett and bassist Robert Trujillo. Guitarist Dave Mustaine, who formed Megadeth after being fired from Metallica, and bassists Ron McGovney, Cliff Burton and Jason Newsted are former members of the band.