Electric Castle returns to Cluj-Napoca, Romania from July 16-19, 2026, featuring an impressive lineup of rock, electropop, alternative hip hop, hip hop, and indie pop artists. The festival will be headlined by Twenty One Pilots and The Cure, bringing together acclaimed acts from the United States and United Kingdom. This four-day music festival offers fans a diverse mix of genres spanning from alternative rock legends to contemporary hip hop and indie pop performers. Electric Castle 2026 promises to deliver an eclectic musical experience for attendees seeking both established headliners and cutting-edge sounds across multiple genres.