Every instructor delivering professional singing lessons in San Jose, California will make you aware of the following two tips to get you prepared for singing high notes.
Check your intensity
How much intensity (volume) is required for the note you are trying to sing? Is it a low-intensity low note in the verse? Is it a big, high-intensity modal belt in the bridge? What about a high-intensity falsetto high note? Match your intensity appropriately! Before increasing intensity, make sure your registration, vowels, twang, and larynx positions are appropriate.
Consider your larynx position
This is a more advanced concept that your instructor can explain further in your singing lessons in San Jose, California.
The gist is this: your larynx naturally rises with certain vowels and as you increase in pitch. Trying to hold onto a low larynx while attempting a bright, speech-like belty high note is going to cause issues! Likewise, trying to sing a lower-larynx sound with a high larynx will also cause issues.
For reference, opera is a genre that encourages a lower-placed larynx. Contemporary musical theatre is a style that generally encourages higher larynx. Depending on the song you’re singing, you’ll want to work with your instructor to place your larynx correctly and practice the right technique.
David K's Music School 