Which band released the album 'Master of Puppets' in 1986?

The band that released the album Master of Puppets in 1986 was Metallica.

Master of Puppets is Metallica’s third studio album and was released by Elektra Records on March 3, 1986. The band recorded it at Sweet Silence Studios in Copenhagen, Denmark, with producer Flemming Rasmussen. Its tightly arranged riffs, dramatic dynamics, and dark subject matter helped establish it as a landmark of thrash metal.

The album includes “Battery,” “Welcome Home (Sanitarium),” “Disposable Heroes,” and its title track. Its themes examine addiction, manipulation, war, and institutional control. The record was also the final Metallica studio album to feature bassist Cliff Burton, who died later in 1986 during the band’s tour in Sweden.

A common mix-up is confusing the album with releases by Metallica’s fellow “Big Four” thrash-metal bands: Slayer, Megadeth, and Anthrax. Those bands released influential albums of their own, but Master of Puppets belongs to Metallica.