Great link, maddy, I haven't been to TSD in a while, but they're a great source for the wisdom of the universe...
& I'm pleased that it backs up what I suggested the meaning to be...Bob Lamm's statement, "it's a song about writing a song," reminds me that, from a musical standpoint, it's a good example of what kind of music gets written when a keyboard player is writing with a guitar...the five chord riff in the verses is mind-numbingly simple, I bet I could teach it to any non-guitar player in 5 minutes or less...

__________________
Plug me into somethin'

If the theory does not conform to the facts, then the facts must be discarded.

No good deed ever goes unpunished

Never argue with an idiot. He'll drag you down to his level, & beat you with experience.