There are various types of singing styles that also have various types of techniques to improve singing voice used in order to produce the sound. It would help to know what kind/type of singing that you want to do in order to help you in that regard.
Some styles of singing, such as those that are done almost exclusively by singing into a microphone, don’t necessarily require you to be utilizing your vocal instrument to it’s fullest potential. However, because of the styles of some of those types of music, if a person were to be singing in such a way as to utilize their vocal instrument to it’s fullest potential, then it would ruin the style in which the music is sung.

