The American heavy band Metallica released their third studio album, Master of Puppets, considered one of the greatest in the genre's history.

Metallica is an American heavy metal band. It was formed in Los Angeles in 1981 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. The band is one of the most commercially successful bands of all time, having sold more than 163 million albums worldwide as of 2023.

Master of Puppets is the third studio album by the American heavy metal band Metallica, released on March 3, 1986, by Elektra Records. Recorded in Copenhagen, Denmark, at Sweet Silence Studios with producer Flemming Rasmussen, it is the band's final album to feature bassist Cliff Burton. While touring in support of Master of Puppets, he died on September 27, 1986, after the band's tour bus was involved in an accident in Dörarp, Sweden.