So you want to sing? This youtube will help you
figure out the difference between singing from your
throat and your diaphragm, something many wannabe
singers seem to have a problem with.
Once you have figured that one out, then you need
to learn about Developing Your Head Voice (from Forever
Singing)
Developing a strong and clear head voice is necessary for reaching your full vocal potential. The voice can be categorized 3 ways:
1) chest voice
2) head voice
3) a blend of chest and head voice (a mixed voice)
Because we normally sing in our chest voice, we have a tendency to spend little or no time exercising our head voice. Since our head voice uses different vocal coordinations, we must use different exercises and coordinations to train it. In order to train the head voice, exercises that have a light vocal weight are needed.
Continue
here
More reading:
5
Vocal Tips for the Absolute Beginner, where you
can read about the different approach to singing, like the speech level singing (SLS) method, the classical approach, the body singing approach, the low larynx approach (sometimes mixed with the SLS method), the complete vocal technique (CVT) method