[ConservativeStatement]

I think there has been some ambiguity over time. Plant, the lead singer, has often downplayed the son’s general significance and has cited other works as his personal favorites (”Kashmir” being one example).

However, Wikipedia has a detailed offering here:

http://en.wikipedia.org/wiki/Stairway_to_Heaven

[ConservativeStatement]

TYPO: song’s (not son’s).