[How did led Zeppelin change music?]

Welp, this thread took a turn for the worst.  Id like to still discuss the topic if anyone else is interested 

[How did led Zeppelin change music?]

2 hours ago, SteveAJones said:

There's really nothing to talk about after 11-11-16.

 

Someone please fill me in?

[How did led Zeppelin change music?]

I know they were the greatest band ever etc, but how did the band change music, what barriers did they break down? I've heard people compare their impact to the Beatles but I'm just not sure the impact was a big. Let me know what you guys think