So it looks as if once again we are discovering that it is virtually indispensable for these singers of ours (who are not only being encouraged to sing but compelled to do it in a willing spirit, if I may put it like that), to have been educated up to at least this point: they should each be able to follow the notes of the tunes and the basic units of rhythm, so that they may examine the harmonies and rhythms and select those that men of their age and character could appropriately sing.