It would be easier to say, what was the difference in style from many years ago. Many years ago, the old violinists, they also had a good technique, they were not tonally as good.
Ruggiero RicciColour does not make so much difference. Look at the Bach Chaconne: There is not one dynamic mark in the whole Bach Chaconne. Colours do not make so much difference.
Ruggiero Ricci