Valkyrie Elysium is developed by Soleil Game Studios (experienced action-RPG developers) & music is by Motoi Sakuraba
Just for people's information, the "reboot" / "derivative" is developed by Soleil Game Studios who are behind NARUTO TO BORUTO: SHINOBI STRIKER and Samurai Jack: Battle Through Time. Two very solid action RPGs with good combat.
Music will be by Motoi Sakuraba and there's already a preview track on the official site https://www.jp.square-enix.com/v_elysium/