Inside History on Instagram: "High School Musical premiered in 2006 and unexpectedly exploded into a global pop-culture phenomenon. The film follows Troy Bolton and Gabriella Montez as they shake up the social order at East High, choosing music over the roles everyone expects them to play. Its themes of self-expression and breaking stereotypes struck a chord with younger audiences, while songs like “Breaking Free” and “We’re All in This Together” became instant classics and launched the careers