Many feel a sense of inferiority, shame if ridiculed when opening his mouth too wide. Though the singing does not need too think about how the shape of the face or mouth, as long as singing with appropriately and not contrived.
Diction and articulation is good depending on how open the mouth of each singer. Sometimes before studying singing must first learn how to speak.
For the formation of the letters in singing divided into:
- Vowel articulation
- Consonant articulation
- Vowel articulation duplicate