"Framing Performing Arts Enterprises as Cultural Commons allows a broader understanding of their full complexities, their benefits to societies, and the responsibilities we all have to secure their sustainability". Maestro Diego Barbosa-Vasquez (DM, MM, BM) Key Words: Performing Arts, Opera, Orchestra, Ballet, Artistic, Financial, Social, Economic, Sustainability, Music, Artistic, Pedagogic, Administrative, Business, Community, Models, Polycentric, Governance, Cultural Common