Billboard has chosen Nas' 'Illmatic' as the No. 1 greatest rap album of all time. 🏆 In the ninth episode of 'Billboard Unfiltered,' Billboard staffers Carl Lamarre, Trevor Anderson, Damien Scott and Kyle Denis break down the top 10. Plus, they discuss Kendrick Lamar’s music video for “Not Like Us,” how Shaboozey was able to get his first No.1 on the Hot 100 with “A Bar Song (Tipsy)” and more! | Billboard