Python/Musical intervals (numpy matplotlib)/playsound

This code uses the module playsound to create the WAV sound files located at:
 * Beat_(acoustics)

Example: The OGG file shown to the left plays the (perfect) fifth, detuned from 2.16 cents in order to maintain a beat frequency of 1.5 Hz. The WAV file was converted to an OGG file using Audacity.

Installing the playsound module
I wanted to hear to interval each time I ran to code, so I installed the playsound using: I found it necessary to install the previous version, as per this discussion on GitHub. The following code fails on the current version of playsound, but works if I rename the file to. My guess is that the dashes confound the current version of  (but I'm not sure.) ‎
 * https://pypi.org/project/playsound/

Code
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