2. Which are the most common two or three registers used in classical singing ?

3. Which is the fourth register sometimes developed by soprano vocalists ?

B.
1. Which are the two important Oral tract (or 'body') Registers for saxophone playing ?

2. Are the Oral tract Registers in any way related to the instrument registers ?

3. Why is Overtone practice so important to tone development ?

C.
1. What is the first major objective for Overtone practice ?

2. After achieving this, what is the next objective ?

3. What is your third objective ?

4. How many Oral track Registers will you ideally have in the end ?

5. When do you stop practising Overtones ?

D.
In which direction (forward, backward, up, down) should these body parts move to create an optimum open throat ?

1. the tongue
2. the soft palate
3. the Uvula
4. the muscular pharynx wall
5. the larynx ('Adam's apple)