I was busking in Galway once and some fella called me a black and tan and said I shouldn't be singing Irish songs if I was an Englishman. I informed him I was actually singing Weel may the keelrow at the time!
"Oh" said he.
"Yes" said I, "I'm singing English songs"

"OK" said he pausing..."Well you shouldnt be singing them here should ya!"

he was a bit mad like