Seattle-based Castles Made Of Sky is an ambient pop producer, turned artist, who ghost-produced for artists on Spinnin’ Records, Armada Records, and Subpop Records. Castles Made Of Sky. Castles Made Of Sky fuses lo-res electronic noise and pop hooks so effortlessly that it can seem accidental. Castles Made Of Sky earned a master's degree in classical piano from Belmont University. Influenced by Seven Lions, Lights, Cigarettes After Sex, Imogen Heap, Washed Out, and Kaskade.