Here is an article on Rock Schools in the U.K. that supports my assertion that Rock is dying fast. I’m not suggesting that ROCK will disappear, no more than Jazz has. But does anyone truly give a care what goes on in the Jazz world? When schools of [insert musical style] appear you know the bell is tolling LOUDLY for that musical style’s demise.
Nothing stalls a transformative social phenomenon like codefying it.
Wyndtunnel 
Codefying rock, like codefying life, holds the mirror. That’s dirty but mirrors are fragile and temporal. Rock is forever.