All 3 Uses

aura
in
Music From Spain, by Eudora Welty
(Auto-generated)

Eugene felt an almost palpable aura of a disgrace or sadness that had to be as ever-present as the skin is, of hiding and flaunting together.†
*
It was so strong an aura that by softly whistling Eugene pretended to people around that the woman was not there, and tried to keep the Spaniard from seeing her.†
He had even forgotten all about old Miss Eckhart in Mississippi, and the lessons he and not Han had had on her piano, though perhaps it was natural that he should remember her now, within the aura of music.†

Definitions:

(1) (aura)
A distinctive quality, mood, or feeling that seems to surround a person, place, or thing; or, more literally, a glowing light shown around someone's head or body in spiritual or artistic images
(2) (meaning too rare to warrant focus)
In medicine, an "aura" can reference a sensation (as of a cold breeze or bright light) that precedes the onset of certain disorders such as a migraine attack or epileptic seizure.