Super Effective Against: Fairy, Fighting, Ghost Less Effective Against: Ice, Water, Electric, Dark Weak to: Electric, Ice, Dark, Electric Resists: Fighting, Ghost, Fairy, Sound, Water
And no, I didn't make a mistake with water. Sound causes ripples in water, but the water is ultimately unaffected. Meanwhile, sound travels better in water so water would aid a sound type more than harm it... As such, both resist the other.
I'm attempting to prove whether or not the Maison cheats. Please help my research thread: http://www.gamefaqs.com/boards/696959-pokemon-x/68590062