The twosome “traded sets every few songs” and Lamar electrified the crowd with his live rendition of the smash “Not Like Us” that allegedly included an audience participation bit where the 37-year-old pointed his microphone at the crowd to deliver his now iconic “A minor” diss.

Houston, we've got second. Kendrick Lamar and SZA kicked off the Grand National Tour over the weekend in Minneapolis, and epic is an understatement. The stadium show runs more than two hours and includes dozens of solo and collaborative hits.