Indonesian creative traditions have shaped the global landscape of world music for decades, with countless works from the archipelago’s hundreds of distinct ethnic groups bringing nuanced, deeply rooted sonic identities to audiences around the world, and Hanja Tjobaan stands as one such work that carries forward that enduring legacy. World music as a categorical framework exists first and foremost to center regional, culturally specific sonic practices that might otherwise be sidelined by the homogenizing forces of mainstream global music industries, centering the creators and their communities as the primary stewards of the cultural heritage embedded in every choice that shapes a work of this scope.