Belsonic returns to Belfast from June 12 to July 1, 2026, delivering a diverse lineup spanning pop, rock, EDM, house, and soul music across nearly three weeks of performances. The festival features major headliners including The Cure, Kings of Leon, Def Leppard, Michael Bublé, and Pitbull, alongside rising stars like Teddy Swims and Lauren Spencer Smith. Electronic music fans can catch sets from Sonny Fodera, Belters Only, and Ejeca, while rock enthusiasts will enjoy performances from Extreme and Sweet Savage. With 42 artists representing British, Irish, American, German, and Canadian scenes, Belsonic offers an extensive musical experience for festival-goers seeking variety in their summer entertainment.

Belsonic is a 20-day standalone music festival.