The Horizon Spirals/The Horizon Viral brings together OOIOO and Lightning Bolt, both Thrill Jockey labelmates and longtime pillars of the experimental rock underground. The split LP arrived in April of 2026, soon after the two groups had played several West Coast dates together. The OOIOO side consists of two long tracks, both of which revisit the gamelan-inspired percussion arrangements of their 2014 album Gamel. “The Horizon” focuses on hypnotic percussive patterns and YoshimiO’s supernatural vocal abilities. The song changes to a faster rhythm halfway, elevating the mood with soaring trumpet and busy, locked-in percussion. “Gamel Be Sure to Spiral” revisits “Be Sure to Loop” from 1999’s Feather Float, adding gamelan percussion to…