Robert mostly only sings Zeppelin songs in the style of “Led Zeppelin” when he’s doing reunion shows with Page & Jones.
All the other times, Plant is re-inventing how he sings and performs those songs.
Having actually seen Led Zeppelin perform in the 70’s, well those Robert Plant “versions” ill always be my favorites.
I know. If he goes out and takes Band of Joy or Strange Sensation out with him, he rearranges the classic Zep material. Back when he was still going full blast in the 80’s and 90’s with a solid backing band, it was a faithful recreation and performance. I’m glad I got to see it; it was as close to Led Zeppelin as I’ll ever get. My next hill to climb: Deep Purple. Never saw them live, but as much as I always liked them, my appreciation for them has grown over the last several years since I started to YouTube their concert performances. My one regret is that I never considered it when Jon Lord was still alive, although Don Airey is a worthy heir to the throne. And, as with so many of those British classic rock bands (Purple, Whitesnake, Rainbow, etc), Airey, Glover, Gillen, and so on have worked with each other in other outside projects as well, so it’s like some musical Rubik’s Cube. Someone once made a cloud chart of all the British rock bands and cross-connected the individual group members to another band they were in and it made my eyes cross. It seemed like everyone had a thread to another band who had membership with the other usual suspects.