There is nothing interesting here. No story line. It's just a jumble of disconnected facts. Lots of archival footage just to kill time; it rarely has anything to do with what the narrator is saying. All of the interviews just repeat how great the band was and how much influence they've had on rock and roll. I think we all know that going in. Absolutely NOTHING about any of their songs, or even generally about how the songs were written. Well, not completely. In the last 30 seconds - just prior to rolling the credits - they tell you where the first line of Stairway to Heaven was created. You will get more googling for a half hour.