Maya
https://www.ancient.eu/article/759/the-classic-maya-collapse/
https://en.wikipedia.org/wiki/Classic_Maya_collapse
https://www.ldeo.columbia.edu/news-events/forest-razing-ancient-maya-worsened-droughts-says-study
https://www.pnas.org/content/109/35/13908
https://www.pnas.org/content/109/45/18237
Kahikatea Mayan Temple Flute Recording
https://www.youtube.com/watch?v=CspIZR4aUuI
Buy One
https://www.southerncrossflutes.com/native-american-flutes-shop/mayan-temple-flutes/
Mayan "Kayum" Drum
https://www.etsy.com/listing/537044985/mayan-kayum-drum-discounted-50-must-make
Tepomaztli <aya Tongue Drum - SLit Drum
Bird Whistles