The viola is commonly (with rare exceptions indeed) played by infirm violinists, or by decrepit players of wind instruments who happen to have been acquainted with a stringed instrument once upon a time
Luis Carlos TriviñoCciteerde uit7 jaar geleden
. I shall appeal to professional executants, both instrumentalists and vocalists, rather than to conductors; since the executants only can tell whether, or not, they have been led by a competent conductor