LOS ANGELES — Harry Styles has been a busy guy the last few years. Now there’s a new tour, album and single, “Aperture,” to show for it. Important to his process? Widening his friend circle and going out dancing. The writing process “came at a time when I was starting to, like, go out dancing a lot more,” Styles told BBC Radio 1 on Thursday. “Also, I was just hearing a lot of different types ...