Fun Fact:
The "talking drum" is a Nigerian drum whose pitch can be regulated to the extent that it is said the drum "talks" and can be used for drum communication. Talking drums are hour-glass shaped with two heads (made from either goat, lizard, or fish skin) tuned by straps that connect the heads with each other. The player puts the drum under one shoulder and beats the instrument with a specialised beater. The pitch is raised or lowered by squeezing or releasing the drum's strings with the upper arm.