Sommo Festival brings together 12 diverse artists for a two-day rock and pop celebration in Cavendish, Canada on September 11-12, 2026. The lineup is headlined by Twenty One Pilots and features a compelling mix of rock, pop rock, and alternative pop acts including Kaleo, SOMBR, and Natasha Bedingfield. The festival showcases both established and emerging talent from the United States, Canada, Sweden, and the United Kingdom, with notable performances from rising artists like Hazlett, Leith Ross, and Wild Rivers. Additional acts include Lawrence, Baby Nova, Kellie Loder, Sofia Camara, and Loviet, creating a well-rounded musical experience spanning multiple rock and pop subgenres.