Watch Machine Head - The Blackening (2007) : Full Movie Online Free The Blackening is the sixth album by American heavy metal band Machine Head. Released on March 27, 2007 in the U.S., The Blackening sold 16,000 units in its first week, and became Machine Head's second highest charting release at number 54 on the Billboard 200, and charted in the Top 20 throughout many countries in the rest of the world. The album has been certified silver by the BPI for sales in the UK in excess of 60,000 copies.[1]