What is the Synthesizer？

That depends on Electricity.

How was Electricity discovered ?

by Thomas A. Edison?

Prof. Ryuichi Sakamoto said on "the Moog One's Video".

"Mr. Isao Tomita said the sound of electricity is also Nature Sound, same as Thunder."

When the sound of Analog Synthesizer is start to glowl,
I feel It, "an electric blow".

and same feeling I have at the motion of filter.
especialy Moog synthesizer.

with much natural harmonic and beautiful noise.