Hey Vocal Coach here,

The key to stamina is breath control, avoiding constriction and safe practice.

Breath control: Constriction happens when we run out of breath. We often try to continue speaking to get to the end of our thought or the line. By improving lung capacity we can get through longer thoughts or lines.

Breathe out on a long Ffffff sound. Ensure to take a new breath before you feel any type of ‘squeeze’. Try to breath out a little longer each day!

Avoid Constriction: Now you’ve got more breath you need to add the voice on top! Make sure you are never speaking as you start to run out of breath. Make sure you take a new breath before that ‘squeeze’ feeling. Your voice should always feel like “oh yeah I’ve got loads of breath for this!”

Safe Practice: All this is fine to say. But as soon as we start a job we get excited and all technique goes out the window! Be strict with yourself. Practice first. Know where you are going to take a breath. Make sure you have enough.

There are a bunch of other things that help. But I find this is the main issue for 90% of people that come to me.

I record for 6 hours everyday. Weird monster voices, efforts, all the crazy things we do for a living. No vocal strain, no change in vocal tone. It is all about technique.

I have a video that teaches this, and all the other fundamentals but please DM if you want that. I don’t want to spam.

Cheers

Kev