What is the meaning behind the song Stairway to Heaven by Led Zeppelin?

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Tags

1. #about
2. #answering
3. #meaning
4. #beginning
5. #lyrics
6. #money
7. #accumulates
8. #woman
9. #questions
10. #heaven
11. #spent
12. #robert
13. #stairway
14. #plant
15. #wrote
16. #pretty
17. #turns