Below are the list of basic principles on singing a song:
1. Take a good posture when you sing a song. Your voice is not produced merely from the speech tract, utilize whole body to vocalize, especially the abdominal region.
2. If you have difficulty singing high notes in the beginning, lower the key.
3. Scale tends to be monotonous. Try to sing the song abiding by the scale correctly.
4. Choose a song which is simple and easy to sing. Once you choose a song, do not change to other song until you master it.
5. Try to vocalize the relic as clear as possible, open your mouth wide and distinctively.
6. When you master a song, record it in a tape and listen to it, or let your family listen and criticize.