https://archive.org/details/harmonicsofarist00aris
Start reading on pg. 165...
Skip 2,300 years of opinion and verbal transfer of information... here is the link to Music Theory from 300 B.C.E.
Start reading on pg. 165...
Skip 2,300 years of opinion and verbal transfer of information... here is the link to Music Theory from 300 B.C.E.