I cant pick out an answer but i hope this helps, <span>changes rarely happen overnight. They are very gradual, with shades of gray. Because Etruscan IS very early Rome, it's hard to tell when the Etruscan Period ended and what is considered the "Roman" Period began. No one just threw a switch and said, "Okay, let's be Roman today." It was a gradual process. </span>
<span>The reason why it is difficult is because it is hard to pinpoint a location in those shades of gray.</span>
This created better sound qualities and productivity. More people could buy and learn an instrument. More instruments could join into the orchestra. Sections were duplicated to make sound broader, and many musicians used this to express their emotions better.
Many scales are diatonic including Major, Minor (the Harmonic minor is an exception) and modal scales. Examples of non-diatonic scale are pentatonic, octatonic and whole-tone scales.
