The thought of Ye, the artist formerly known as Kanye West, packing out stadiums again felt nearly unfathomable a year ago, following a fresh wave of controversies that seemed career-ending even by his standards. But after doubling down on antisemitic rhetoric, declaring himself a Nazi, selling T-shirts emblazoned with swastikas and releasing a song titled “Heil Hitler,” the rapper-producer somehow found a path toward redemption in January after taking out a full-page ad in The Wall Street Journal addressed “to those I’ve hurt” to apologize for his past transgressions. Advertisement He blamed his past behavior on brain trauma from a...