John T. Gast is a producer known for immersive, visceral sound experiments across multiple aliases and collaborations, including work with Lolina, Serafina Steer, and Phelimuncasi. With releases on Blackest Ever Black, Planet Mu, and his own 5 GATE TEMPLE label, he has performed at leading festivals and venues such as C2C, Meakusma, Hyperreality, Primavera, and Café OTO.