it's not a very interesting theme. sorry to say.
as you'll find that most of the "rare live" tracks were album tracks that didn't get played much beyond the life of the "current album" tour...ie 18months
it's an easy list to compile
the works: machines, tear it up, is this the world....
hot space: staying power, calling all girls
the game: need your loving tonight, rock it
jazz: let me entertain you, dreamers ball, if you can't beat em
notw: it's late, gdml, melancholy blues
go deo na hÉireann