Metallica's 'Black Album' Hits 16 Million in Sales Metallica's 'Black Album' Hits 16 Million in Sales Metallica’s ‘Black Album’ Hits 16 Million in Sales Metallica's 'Black Album' Hits 16 Million in Sales Metallica's 'Black Album' Hits 16 Million in Sales According to Billboard Metallica's 'Black Album' Hits 16 Million in Sales Metallica's 'Black Album' Hits 16 Million in Sales more than 16 million copies sold more than 16 million copies crossing the 16 million mark just last month