This study examines how Amis polyphonic singing has evolved from communal traditions into globally hybridized performances, reflecting shifting sonic and spatial dynamics. Amis polyphonic songs were traditionally embedded in daily and ritual life, shaping the communal soundscape through agricultural labor and ceremonial gatherings. In recent years, younger performers have reimagined these vocal traditions for international festivals and intercultural stages. This transition has expanded Amis polyphony’s expressive range, introducing instrumental accompaniment and adapting to new performance contexts shaped by global aesthetics and contemporary musical practices.

Based on fieldwork and participant observation, this study investigates how Amis youth ensembles creatively reinterpret polyphonic traditions across intercultural stages. These performances become zones of hybridization, where Indigenous vocal practices intersect with global genres, technologies, and aesthetics. Rather than displacing tradition, these hybrid forms recast it, enabling continuity through change. As Senungetuk (2019) argues, cultural sustainability depends on such adaptation, lest traditions risk stagnation or fall into cultural obsolescence.
This study frames Amis polyphonic singing as a case of how Indigenous sound and space evolve through cultural hybridization. These processes have enabled its continued transmission and fostered new forms of dialogue beyond the Amis community. By tracing shifts in performance practices, this research shows how Indigenous music navigates modernity—hybridizing without losing cultural essence—and contributes to wider debates on identity, sustainability, and transformation in global sonic landscapes.