https://dangerous-wisdom.captivate.fm/episode/if-sheer-openness-had-a-tongue-who-would-have-it

(This first link is a story about a boy who wouldn't speak)

https://dangerouswisdom.org/dw-blog/john-francis-silence-turns-to-joy

(Really interesting story about a man who gave up speaking out of care for Earth)

https://dangerouswisdom.org/sonic-shamans

(Lots of great tracks, including Sheila Chandra)

And below, my favorite cover of a Brazilian classic ;-)