Shaky Knees Festival returns to Atlanta, Georgia from September 18-20, 2026, featuring headliners The Strokes, Twenty One Pilots, and Gorillaz across three days of rock, punk, alternative, electronic, and pop music. The festival lineup includes 53 artists representing diverse musical backgrounds from the United States, Ireland, United Kingdom, Canada, South Africa, Australia, and France. This Atlanta music festival offers an eclectic mix of established headliners and emerging talent spanning multiple genres within the rock and alternative music spectrum. Tickets and additional lineup information are available for this September 2026 festival event.