Nah... Accordians (Pokémon-Amie in trailer even + more possible) and horns (of course, wind!) for Kalos (as prominent w/ strings. Strings seem very present in what sounds like the title screen theme but less in what may be the opening).
Official Sisyphus of the Kingdom Hearts: Birth By Sleep Board ''Slmming. When trolling just won't do.''~shiro_amayagi