Riot Fest announces its 2026 lineup, with headliners including Tool, twenty one pilots, Pierce the Veil, and Alanis Morissette. The festival is scheduled for September 18–20 at Douglass Park in Chicago, according to published event details. Both outlets list these same major performers as the top-billed acts. Additional acts referenced in coverage include Nas, The Format, Morrissey, Iggy Pop, and Pixies, among other artists, with the full lineup extending beyond the headliners. The announcements present the lineup as a multi-day lineup spanning alternative, rock, and other related genres, with a mix of established and mainstream artists. The festival’s dates and location anchor the event information, while the broader lineup provides a wider set of attractions beyond the headliners highlighted by each source.