2021 ESTC https://www.youtube.com/watch?v=gEKtI79F6Hs  

Excellent info from wide variety of sources, ideas.  Makes case for pyramids as power...

BY SUSAN MILLER APR 30, 2018 The National Geospatial-Intelligence Agency wants to map the world's ambient sounds. The NGA Research Directorate’s Environment and Culture pod wants to...

https://www.youtube.com/watch?v=juA98y_nMv0 Eddie Van Halen famous guitar sound.  How it was achieved.

https://www.youtube.com/watch?v=ExX65rG7FQg     37:35 "the growth of the seeds [in the stone pyramid for 4 days] is only about half of [the growth of the seeds] in the stone...

https://www.youtube.com/watch?v=QUm6no5MXYA 2020 will be the first year vinyl album sales outperform CD sales since 1980s.