Over time, you can increase your vocal range by stretching one note (or one half-note) higher and lower than what you can sing comfortably. Focus on proper breathing while singing. Keep your air supply steady so that the note doesn't crack or become airy.Don't do too much too fast, as you can hurt your voice.
Carey purportedly has a 5-octave range. While that range is impossible for most people, you can probably reach 3 octaves, especially with the help of an expert., Make a grunting noise ("uh-uh") then switch to singing a note with the word "mom." This activity shortens your vocal cords, which makes it easier to hit the high notes., Arpeggios go up and then down (do-mi-sol-do-sol-mi-do, in solfege syllables, or 1-3-5-8-5-3-1, in terms of scale degrees), modulating a half step up after each arpeggio. They can help increase the top half of your range., A voice teacher can help you improve your technique, so that you can comfortably increase your range.Your voice teacher may have you do some of these same exercises. However, the benefit of having a teacher around is that he or she can hear when you're making a mistake and work to correct it. As an amateur, you may not know when you are making a mistake, and so you may let it develop into a bad habit.
Gradually sing notes higher and lower.
Try compressed grunts.
Use octave arpeggio exercises.
Take vocal lessons.
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