Lamar performed "Not Like Us" five times at his surprise Juneteenth concert last summer. The crowd rapped along to every word.
Mandatory Credit:	Timothy Norris/Getty Images for pgLang, Amazon via CNN Newsource

Lamar performed "Not Like Us" five times at his surprise Juneteenth concert last summer. The crowd rapped along to every word.
Mandatory Credit: Timothy Norris/Getty Images for pgLang, Amazon via CNN Newsource

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‘Not Like Us’ started as a diss. Now, it’s a Super Bowl anthem

Kendrick Lamar and Drake spent last spring trading disses. The rappers unleashed a slew of increasingly brutal attack tracks, taking aim at each other’s talent, parenting and race, among other sensitive subjects.