Being old, I have seen it all. There is no band that compares to Led Zepplin for oh so many reasons... mostly raw talent and imagination.
Some of the best modern musicians got together to pay tribute to Led Zepplin at the Kennedy Center. The band was honored by the likes of the Obamas and many others.
One point stood out. Even the best modern musicians could not play Zepplin's music as well as the original ... with the possible exception of Ann and Nancy Wilson doing Stairway to Heaven as a finale. Of course they had a full orchestra and choir for help!
Here is a excerpt of the show ...
http://www.youtube.com/watch?v=Ta0gDfGb9u0