The self titled 'Metallica [aka the Black Album],' the band's fifth studio album, became one of the biggest selling albums in history. Though a step away from the thrash metal the band pioneered the album was nevertheless heavier than anything the band had yet recorded. 'The Black Album' is now be reissued as a standard Vinyl edition in honor of the 25th anniversary of 'Kill em All', Metallica's debut album.