the slave Masters couldn't understand the messages and were worried about what the slaves were" saying " ,so they banned the use of the drums.
There are three types of drumming. One type uses rhythms to send a particular signal. A second type of drumming repeats the patterns of speech (I.e.,it matches the rhythm of specific words or sentences)
And the third type is more musical.
None of the froms of drumming are official languages. Indeed,there is no international drumming language at all.