On a recent episode of Vox music podcast ‘Switched On Pop,’ songwriter Charlie Harding explains the theory he has about superheroes and pop music. Superheros have to have a narrative that speaks to their time and to their generation. Eventually, they age out and are rebooted or a new superhero comes along. Harding suggests pop music follows a similar template, and there’s no one more equipped to be the next Generation’s superhero than seventeen year old Billie Eilish. Eilish has grown up in an America defined by mass shootings, rising suicide rates, poverty, and the opioid epidemic. Her home state…