The songs made famous by the Disney Channel amount to more than just a soundtrack to childhood—they also function as old yearbook portraits of some of the world’s most popular singers and movie stars at the dawn of their careers. For a certain generation, Zendaya will always be the dancing queen from Shake It Up, Olivia Rodrigo the innocent balladeer from the High School Musical franchise, and Miley Cyrus the PG-rated pop star Hannah Montana. But you can also hear the seeds of what these performers would become: In Demi Lovato’s inspirational anthem “This Is Me,” we get a glimpse of the fiercely independent streak that’s guided their adult life.