It's not fair comparing the sound quality between Charlotte and Philly, as the first one is an aud rec and Philly Special is a soundboard.
Jump 73 is mainly a copy of one of those mytical Brussels recordings, with some songs from the "Welcome to NY" soundboard. For further info on Jump and Brussels check Chris M's fantastic [
www.rollingstonesnet.com] , under the Classic Live Performances link.
And although you don't want further info about these ones, you should check it anyway...
[There'll be no wedding today...]