Re:With Musical Cryptography, Composers Can Hide Messages in...
by KineticLensman on Wednesday March 28, 2018 @07:59AM
(#16697005)
The Talking Drums [0] of Africa used the pitch of the drum to mimic the tone patterns of speech. They were used to communicate between different villages, sometimes using known phrases from poems to encode more complex concepts.
[0] https://en.wikipedia.org/wiki/Talking_drum