Prelude to The Top 500 Songs of the Rock Era*: John Denver's "Rocky Mountain High"

Even though this superstar's first release stalled at #9, one would think it's stature improved when he became one of the world's top stars in the 70's.  And it did, making The Top 500 Songs of the Rock Era* for over 20 years.  It just misses making the list this time--a few more million in sales would put it back there.  Taking you back to 1973...