High notes don’t take strength. They take physics. Look closely at this image. This is exactly what your internal hardware looks like under a laryngoscope when you sing. The problem? Most singers try to get a powerful high note by forcing more air through this open gap. That is acoustic suicide. You don't need stronger lungs—you need to learn how to zip the hardware close to shift into a Balanced Mix. Stop fighting your biology with generic internet tips. If your high notes are a constant gamble