On a Wednesday night in Singapore, two members of British trip-hop group Massive Attack unfurled a Palestinian flag on stage and shouted 'Free Palestine' — a deliberate act of solidarity that collided with one of the world's strictest frameworks for public expression. Singapore, a city-state that governs social cohesion through precise legal boundaries, moved swiftly: the two men were banned from re-entry, and the band was permanently barred from future performances there. The episode is less a story about a concert than about the enduring tension between the artist's impulse to bear witness a