Try the descending slide above first. Start on a high note that feels light and easy, even if it sounds thin or soft, and slide down into the middle of your voice. Listen for the place where the sound suddenly gets heavier. Most people find their high notes are easier to reach from above than from below, and that is the clue this guide is built on. WHY HIGH NOTES FEEL LOCKED. Low and in the middle, the voice works with shorter, thicker vocal folds and the sound most people call chest voice. Higher notes need the folds to stretch longer and thinner. If you carry the thick, heavy setup upward and add breath and volume to keep it going, you reach a point where it cannot stretch any further: the note cracks, flips into a thin falsetto, or squeezes. The note was often there. The setup you brought to it was not. START LIGHT. The way through is to find the light version of your upper notes first. That is the soft, slightly hooty sound at the top of the slide above. It may not sound like the voice you want to perform with, and that is fine for now. It shows you the notes exist and gives the folds practice at thinning out without strain. BRING THE LIGHTNESS DOWN. Slides and scales that start high and come down carry that light setup into the middle of the voice, where the gear change usually sits. With regular practice the change tends to get smoother, and your fuller, speech-like sound can go a little higher before it has to give way. Working upward from the bottom tends to do the opposite: it drags weight up with you. ADD WEIGHT LAST. Once a note is easy in the light version, make it fuller in small steps: a little more volume, a brighter vowel, a word instead of "oo". Step back as soon as your neck tightens or the sound turns into a shout. Each step should still feel like singing, not like effort. THE VOWEL AND THE VOLUME. Two things make high notes harder than they need to be. Wide, bright vowels like "ee" and "ay" narrow the space at the back of the mouth on a high note, so let them open slightly toward "ih" or "eh" as the pitch climbs. And loudness makes the heavy setup harder to let go of, so practise the upper notes quietly first. Both feel wrong at first, because the loud, wide version is what we hear on records. KEYS WHILE YOU TRAIN. Range grows slowly and unevenly, and nobody can promise you a date. Meanwhile, sing your songs in keys that suit the voice you have today. Moving a song down two or three semitones is not cheating; working singers do it all the time, and a song that sits well teaches you more than one you survive. Diagnostic question: sing your highest comfortable note quietly on "oo", then on "ah" at a medium volume. If it is easy on "oo" and hard on "ah", the note is there and the vowel or the volume is in the way. If it is hard both ways, it is above your current working range, and the light slides are where to spend your time. MEASURING PROGRESS. To track it, measure your range on a rested day with the free range finder, which records the lowest and highest notes you can repeat, and measure again weeks later under the same conditions. The result is a snapshot, not a diagnosis, and testing your top every day wears the voice rather than showing growth. If going higher brings pain, hoarseness, or a voice that feels worse the next day, stop, and see a doctor or an ENT if it does not settle.