"That" time of year can be difficult to deal with for some mares. For alicorns, it only lasts one, extremely intense evening. As Celestia's husband, you have only one objective tonight: Survive.
Song and magic are two parts of the same whole in Equestria. When Rose saw Anon, it was love at first sight, and as if to shake any doubt, she heard their song. It was the happiest moment of her life. Until she realized he couldn't hear it.