Parfitt was underestimated... and brilliant.
I remember thinking all ofthe 'Quo stuff was "Easy". -take 'Caroline'. Easy, right?
Simple boogie rhythm guitar riff. repeat ad nauseam. Laughing all the way to the bank -right?
Bzzzt!!! WRONG!!!
https://www.youtube.com/watch?v=nhnmPadl290
-The way he keeps 'shifting' the 'focus' of the music, from low to high, and never getting in the way of the vocals... making the song greater without being "noticed"
That is genius. REAL genius.