The 2015 edition of Coachella wrapped up this past weekend, leaving in its wake 4.1 million tweets that could indicate the future of popular music. According to Twitter data from the event, which only included tweets that mention both the artist and Coachella, a few artists won the festival's two weekends with buzzy moments and performances.

According to Twitter, Drake was the most-mentioned artist, buoyed largely by the Madonna on-stage kiss during his performance on the first weekend (which was also the most-tweeted-about...