The music for the action-adventure video game Grand Theft Auto V, developed by "Welcome to Los Santos", the game's main theme, was composed by Oh No. He collaborated with several .. The Cinematographic Score — GTA 5 was released on 24 March , limited to copies. The album was composed. Music/Song from Grand Theft Auto [GTA] V/5 full original loading theme ( extracted from gamefile). Artist/Composer: Tangerine Dream.