In the 21st century, music became more universal, immediate, and accessible than ever before. On Jan. 1, 2000, the average cost of a CD was about $18, which meant if you wanted to legally own 250 ...

browse below the acts with the most No. 1 hits on the Hot 100 in that span. Plus, check out Billboard's Top Hot 100 Songs of the 21st Century chart, Top Artists of the 21st Century chart and Top ...

To make our list of the 100 Greatest R&B Songs of the 21st Century, Rolling Stone convened a panel of staffers and critics with deep knowledge of the genre. We spent less time debating what R&B ...