Schools across China are replacing their traditional slow-paced morning exercise music with high-energy techno tracks, a shift that has quickly turned into a social-media trend. The change, introduced in several provinces over the past few weeks, aims to make the mandatory daily workouts more engaging and help students stay alert before classes begin. Short clips circulating on Instagram and other platforms since mid-November show entire classrooms performing tightly coordinated calisthenics to fast BPM electronic beats.