Frequency Festival returns to Saint Polten, Austria from August 20-22, 2026, featuring a diverse lineup spanning pop, hip hop, rock, house, and indie pop. The festival showcases major headliners including Twenty One Pilots, Lorde, Paul Kalkbrenner, Kraftklub, and Fontaines D.C., alongside rising stars like Ken Carson and Ski Aggu. With 44 artists performing across the three-day event, the lineup draws international talent from seven countries including the United States, United Kingdom, Germany, and New Zealand. Additional notable performers include Tom Odell and Sido, making this a comprehensive multi-genre festival experience.