early in the game's development, the music team were shown an early build before starting work on the score. their work was mostly complete later in development, but they continued composing until its final build was submitted for manufacturing. edgar froese, tangerine dream's founding member, initially rejected the offer of producing music for a video game. after he was flown to the studio and shown the game, he was impressed by its scale and cinematic nature, and changed his mind. froese's first eight months of work on the score produced 62 hours of music. he recorded with tangerine dream in austria, but further work was conducted at jackson's united states studio, which the alchemist and oh no used as well.