Tony Norman: The NFL embraces this conflicted, hip-hop moment
Hip Hop Makes History As Dr. Dre, Snoop Dogg, Mary J. Blige, Kendrick Lamar, 50 Cent & Eminem Change The Game - Pollstar News
How the NFL tried and failed to censor its hip-hop halftime performance
NFL 'aware' Eminem would kneel at Super Bowl halftime show - Los Angeles Times
The Super Bowl halftime show was a mixture of respectability and reckoning : NPR
Kendrick Lamar - Wikipedia
Super Bowl halftime show: These artists reportedly declined the gig
Super Bowl LVI: Kendrick Lamar Honors Dr. Dre During Halftime Show Performance
Super Bowl Halftime Show: Kendrick Lamar 'Po-Po' Lyric Absent