CHAPTER 7: EXPONENTIAL AND LOGARITHMIC GROWTH
Chapter 7 Project: Octaves in Music
The exponential nature of octaves in music
https://medium.com/pragyan-blog/the-mellifluous-science-behind-music-81ac81a36b15
http://www.rctn.org/bruno/psc129/handouts/logs-and-music/logs-and-music.html
https://www.math.wustl.edu/~wright/Math109/M&MCh05
https://www.math.ucdavis.edu/~kouba/Math21BHWDIRECTORY/Exponential.pdf
https://www.classiccat.net/dictionary/mathematics_of_musical_scales.php