People seem to think that "Stairway to Heaven" was a straight ripoff of Spirit's "Taurus"--well, it is similar to one part, but you have to be thinking about it to even notice it--However, the famous and much abused intro is pretty much note for note the same as the intro to Jobim's "Manha de Carnival"--

As shifty, lowlife, and litigation prone as all this lifting makes Page seem, nonetheless, he added or changed something that made all of this music completely enthralling to your average metalhead--in fact, by playing this music, he created metalheads--mind you, I am not necessarily a big Page fan, but whatever he did brought all that stuff across in way that no one else had done--that's why he made the big bucks--