Simple question, or is it...

Elon is not answering the phone, it looks like when one of his sick Tesla employees cough the pointing vector of the virus changes....

IF you want to blow a gasket or three, you can do FFT ( I use studio 6 toolbox ) and watch the waveform go by....
Combining three or four sine waves gets messy in a hurry, real music isn’t sine waves.. or simple harmonics- as the late great Roger Modjeski was fond of saying “ what is the 5th harmonic of Beethoven 9th “

for grins, I will put up a screen shot ( Audiogon is so freaking dark ages... ) in my Poverty Bay system pages.. It will be of Steely Dan - The Royal Scam

oh, I am all for childlike wonder but not the ego....

Then there is that pesky Square wave...