Capitol Hill Block Party returns to Seattle, Washington from August 7-9, 2026, featuring headliners Disco Lines, MUNA, and Wet Leg across three days of music. The festival showcases 74 artists spanning pop, electronic, indie pop, disco, and hip hop genres, with performers from the United States, Australia, and United Kingdom. This diverse lineup offers music fans in the Pacific Northwest a comprehensive mix of contemporary sounds and emerging artists. The August dates provide an ideal summer festival experience for those seeking quality indie and electronic music in Seattle.