Personally I didn't find Jean amusing or enteraining - she just looked demented to me!! However she is the sort of act a section of the GBP seem to take to their hearts in these competitions.
I was upstairs and my Hubby called up to ask me to " Listen for a minute " and tell him what 'tunes' she was playing. He hadn't a clue.......and neither had I
The only one I recognised (just about), after a while was Crocodile Rock - not sure of the others
It was insulting to Elton John, Jerry Lee Lewis and Jools Holland.