What are you going to learn?

Can you actually learn to sing from the Diaphragm? I don’t think there’s a singer alive who hasn’t been told to ‘sing from the diaphragm!’ But what does that mean, and more importantly, is it an instruction you should even take any notice of?

https://www.youtube.com/watch?v=YGHcguwsEEo

Made by Dr Dan's Voice Essentials