POPCAAC takes place on September 11, 2026 in Seville, Spain, showcasing a diverse lineup of punk, rock, pop, and folk rock artists. The festival is headlined by La M.O.D.A., leading a concentrated roster of 5 Spanish artists that celebrates the country's vibrant music scene. This single-day event offers an intimate festival experience focused on quality over quantity, featuring exclusively Spanish talent across multiple rock and pop genres.