Technically, she shouldn't be blind, herself, since she merely causes blindness in others. Her themesong instead implies a different disability - "Deaf To All But the Song".
It would be more fit to show her somehow wrapped around so she's singing into her own ear.
Since she has spellcards that deal with multiple forms of birds, including her final word being a "chorus", having her appear with multiple different forms of birds (and a moth, apparently,) all screaming out different songs would also be appropriate.
Should be something like this, ran the description though deepL
"I can only sing songs now I have no more wings to fly, no more feet to land, no more eyes to see you. I can only sing songs now. All I can hear is singing. Does the song bring madness or does madness bring the song?"
