BY THE NUMBERS: Billy Joel

Billy Joel celebrates his birthday today (May 9), and while we’re all well aware of just how storied his career has been, sometimes reading a bunch of stats is a friendly reminder of someone’s greatness.

Top 10 Best-Selling Musicians Of All Time (U.S.)

I love lists like these that have real data attached to them. They're the ultimate argument finishers. The next time you're at a party and a conversation about music ensues, you can confidently explain that Justin Bieber still has a long way to go before he reaches the all-time top ten in certified U.S. album…