The Best-Selling Music Artists of the Last 50 Years

While watching the artists bounce up and down the rankings, I must say that nothing here surprised me. I must also admit that starting at 2006, the year I left radio, I suddenly had no idea what songs were sung by who, or even who most of the people are. However, if you've never been in the business and like one particular kind of music, this data might hold some surprises. (via Digg)