A few months after releasing her Grammy-winning “Endless Summer Vacation” album, Miley Cyrus dropped a surprise song. The wistful “Used to Be Young” tracked her journey from a naïve-and-charming hellion in her 20s to a insightful-and-charming hellion turning 30.

If Miley Cyrus’s album listening party at the Chateau Marmont starts at 6 p.m. sharp, do not leave your apartment with only 18 minutes to spare. It’s L.A. Always account for traffic. By the time I arrived,

Miley Cyrus has always followed her muse. Since at least her 2013 reinvention “Bangerz,” she’s tried on multiple personas and styles, traipsing from du jour hip-hop to glam rock and glitter-smeared psychedelia,