In The Number Ones, I’m reviewing every single #1 single in the history of the Billboard Hot 100, starting with the chart’s beginning, in 1958, and working my way up into the present.

Andre “Andre 3000″ Benjamin and Antwan “Big Boi” Patton, better known as the legendary hip-hop duo OutKast, now hold a new title: “best-selling rap album of all time.” ...

OutKast's magnum opus "Hey Ya!" turns 20 this year. But what does the song really mean? We go behind the meaning of OutKast's hit.