One Sound Unification is a three-day reggae festival taking place from July 24-26, 2026, in Barreiro, Setúbal. The event features international sound systems including Bodyguard, Bass Odyssey, and Coxsone Sound, alongside Portuguese acts like Ras Tata Kongo, Mindel Family Sound, and Big Badda Boom Sound. Live performances include The Heptones, Johnny Clarke, Earl 16, Michael Palmer, Admiral Tibet, and Akabu, celebrating Jamaican music, culture, and cuisine.