'Purposeful pop': can stars like Katy Perry create change through music?

After Perry’s #wokepop at the Grammys, there’s an argument about how subversive pop can be in 2017. History shows it will take more than hashtagsWhen Katy Perry released her new single Chained to the Rhythm last week, she declared that the track wasn’t merely a song – it was a movement. “We gonna call this era Purposeful pop,” she tweeted shortly after the song’s debut on streaming services early Friday.Perry’s journey from the homophobia-tinged so