Led Zeppelin I and Physical Graffiti are both Rock masterpieces.
But they sucked live.
The curse of the band that was so good in the studio, that it simply couldn’t be reproduced live, without adding a bunch of additional musicians.
I agree but after they cleaned up they were pretty good:
https://www.youtube.com/watch?v=ZpxWDuBzAjg
Did you ever see them live?