AC/DC Launch 'Back In Black' 40th Anniversary Video Series

"Back In Black" remains the best-selling hard rock album in history, with estimated worldwide sales of 50 million that place it second on the all-time list behind only Michael Jackson's "Thriller."

Last December, the Recording Industry Association of America (RIAA) certified the record 25x platinum for shipments of 25 million copies in the US, where it sits fourth on the country's best-selling albums list.