Capitol Hill Block Party 2025 is back and louder than ever. Taking over Seattle’s favorite arts district for a weekend of music, movement, and madness, this year’s lineup features headliners like Thundercat, Porter Robinson, Slayyyter, and Yaeji, plus dozens of breakout and local stars. With food trucks, block-wide energy, and stages tucked into every corner, this is Seattle’s sonic playground—don’t miss your chance to be part of the noise.