It's been more than a year since Kendrick Lamar upended the rap game and significantly altered the course of popular culture with "Not Like Us," the five-time Grammy-winning, Billboard Hot 100-topping knockout punch in his monthslong battle against Drake.

One year ago last week, Kendrick Lamar set flames to Drake's reputation that the rap world is still feeling the embers from. In just a week, songs like "Euphoria," "6:16 In LA," and yes, "Not Like Us,

The rapper and R&B star are taking victory laps for smash hits and albums. But their co-headlining tour is still threaded with angst and reflection.