As far back as the ‘60s, there was a clear distinction between the rural systems and the inner-city schools. Farm areas just closed since all the kids and many staff were going to be “sick" anyway. Big city folks didn’t understand what the seasons were.
An "octave” is actually two tones that have a frequency ratio of 2. The starting point is an option.
The number and and size of the steps in between varies by convention and convenience and may be adjusted to allow for shifting a piece of music to another key. Western music (not “country”) is not original nor global.
As far back as the ‘60s, there was a clear distinction between the rural systems and the inner-city schools. Farm areas just closed since all the kids and many staff were going to be “sick" anyway. Big city folks didn’t understand what the seasons were.