'The Black album' is one of the most commercially successful and critically acclaimed records of all time, with global sales of over 35 million, and contains a series of unrelenting singles: 'Enter Sandman,' 'The Unforgiven', 'Nothing Else Matters', 'Wherever I May Roam' and 'Sad But True'. Remastered by Bob Ludwig at Gateway Mastering and overseen by executive producer Greg Fidelman.