What's wrong with your foot? Got foot and mouth disease or what?
The fact of the matter is you have failed to name the purported injustice done to that woman, period, end of sentence.
To host another concert on the same night as hers is not injustice. She is not entitled to hold concerts alone.
So to act like she is the only one who should host a concert on a particular night is the height of a false and arrogant sense of entitlement.