WIKIPEDIA:

“ Metallica (also known as The Black Album) is the eponymously-titled fifth studio album by the American heavy metal band Metallica. It was released on August 12, 1991 through Elektra Records to critical acclaim. Metallica produced six hit singles that are considered today among the band's best-known songs: "Enter Sandman", "Don't Tread on Me", "The Unforgiven", "Nothing Else Matters", "Wherever I May Roam", and "Sad but True". The band promoted the album with a series of tours. In 2003, the album was ranked number 252 on Rolling Stones list of The 500 Greatest Albums of All Time. The album marked the debut of a sound less complex than the thrash metal of previous albums.
The recording of Metallica was troubled, with the band frequently entering conflicts with Rock during production. The album debuted at number one in ten countries, and spent four consecutive weeks at the top spot of the ''Billboard'' 200, making it Metallica's first album to top album charts. Metallica is the group's best-selling album, selling more than 22 million copies worldwide. It is the best-selling album of the SoundScan era. The album was certified 15x platinum (diamond) by the RIAA on November 13, 2009. On November 10, [......] ”

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