Siren, Bristol’s iconic summertime gig series on the harbour, is ready to keep the vibes buzzing as it announces indie-electronic legends Bloc Party as its first headliner on Friday 25 July 2025. Known for their genre-blurring sound and high-energy performances, Bloc Party promises an unforgettable show as they crank up the heat at Bristol’s Amphitheatre. 🌅🚨

Celebrating 20 years of Silent Alarm, the album that influenced a generation, Bloc Party’s Siren performance promises to be a landmark moment. With hits like Banquet, Helicopter and Blue Light, their signature blend of raw guitar riffs, unmatched beats and soulful lyrics has continually pushed the boundaries of dance-rock.

As the band takes the Harbourside stage to deliver the perfect soundtrack for a summer night in one of Bristol’s most iconic settings, fans can expect a mix of nostalgia and energy that will define this year’s Siren experience.