The portamento being an embellishment that pertains to the cantabile, it is very little used in declamatory singing.
Does she overdo the use of portamento, messa di voce, and such devices?
It should be practiced very slowly at first, and with portamento.
It is even likely that she will improve her knowledge of portamento while she is washing dishes.
The portamento—gliding from one note to another—is also a lovely effect.
At one point the boys took a portamento—a grace which very few choirmasters would attempt with boys.
You, who know what is meant by singing with portamento, would find rare satisfaction in her singing of it.
Every note must be distinct, and not the faintest suspicion of a "slur" or portamento can be allowed.
The tones must also follow each other cleanly, unless the character of the music makes the use of portamento desirable.
Some minor effects utilized in Style in singing may be briefly alluded to: portamento; variations of Tempo.