Not totally but in every place it changed so not sure bro
<span>En un sentido general, se llama escala musical
a un conjunto de sonidos ordenados, notas de un entorno sonoro
particular (sea tonal o no); de manera simple y esquemática (según la
notación musical convencional pentagramada). </span>
you want the waist to have more support so then you should strengthen the part where the waist connects to the bottom half (the legs)
I believe it was either the Sumerians or the Mesopotamians, hope this helps! :-)
