I was in choirs growing up, and the one thing any singing teacher will start you with is: learning how to breathe from your diaphragm. If you need a place to

I was in choirs growing up, and the one thing any singing teacher will start you with is: learning how to breathe from your diaphragm. If you need a place to get started, you might just look for a few YouTube videos or tutorials about that. It gives you extra volumes of breath, so you can belt out the notes and hold them longer. Everything else follows from that.