We have "Honest Dave's Seal of Approval"...!
Uwe... the end of the Yardbirds and the beginning of LZ is a bit blurry and there was even a live LP released but quickly withdrawn with a song entitled "I'm Confused..."
I had a boot' of it and still have it on tape somewhere but it is very irritating due to the dubbed "cocktail-bar" noises...
It's not a song by Page and he nicked it off a support act they toured with...
As a curious aside one of the Yardbirds (reputedly) lived in the house next-door to me (we moved here in '92) and Page used to go to my school (Heston) - you noted the Heathrow connection to DP too being that I was a born 'ounslow boy...