I couldn't resist sharing this wonderful quote from David Clark Taylor on teaching "sensations of tone." He sums up quite nicely the futility of trying to teach a student by what they 'should' feel. Correct singing teaches correct sensations. Under the influence of the idea of mechanical vocal management there is little room for [...]
The writings of the old school, on the other hand, dealt with the nature of the human instrument; they went back to the very foundations of human sound-generation. Nothing was taken for granted, least of all the normal processes of everyday speech. Nothing was described in terms of subjective sensation; in the whole of Manuel [...]