Агрессивная тетка, как сказал ее коллега музыкант, mob-like behavior.
Из ее твитов: "Dear unconscious Ukrainians, I will never get tired of reminding you that you are dog feces. Thank you kindly for your attention."

http://www.ctvnews.ca/canada/free-speech-goes-both-ways-ukrainian-pianist-trades-barbs-with-tso-over-cancelled-show-1.2316947