Neville Marriner — English Musician born on April 15, 1924,

Sir Neville Marriner, CH, CBE is an English conductor and violinist... (wikipedia)

Mozart has written opera, symphony, sacred and chamber music - not to mention his piano and violin concerti.
We don't want other people poking into our artistic pie.
Music is a continuum and the modern and avant-garde composers of today will be part of the standard repertoire 30 years from now.
I would like new people with new ideas to come into it and change it.
So I've never found there was any particular separation between the two cultures at all, musically speaking.