Sing this exercise in all the keys within your range.
Some find their head tones first by humming through the nose, while to some this suggestion would be of no value.
If you have a break or any trouble going from your high to low tones, practice the exercise from the high tone down instead of from the low tone up.
Example—
If you have trouble rolling your "r's", which is absolutely necessary, practice the following words in two syllables, not, however, dropping the tone.
Example—
- Tree as tau-ree.
- Trust as tau-rust.
- True as tau-rue
- Breeze as b-reeze.
- Train as tau-rain.
- Bright as b-right.
- Brown as b-rown.
After you have mastered the rolled "r" through the above exercises, pronounce them in one syllable as they should be.
Next, take up your consonants before the vowel