Tyler, the Creator proved there’s nothing wrong with treating one’s art as a living, breathing, mutable thing that never needs to be set in stone or encased forever in wax, especially as the artist grows, changes, and improves as a human. He did this by… cussing out Elon Musk while performing “911” at the Austin City Limits Music Festival over the weekend.

First appearing on Tyler’s celebrated 2017 album, Flower Boy, “911/Mr. Lonely” arrived at a moment when Musk was, for the most part, known mostly as the electric car guy,...