The Sokko (in Malinke language) , called Nhenheru or Kalenden (in Peul language), and Koundi (in Soussou language), is most likely at the origin of the violon family of instruments.
It is composed of a calabash (gourd) recovered with lizard skin to act as a resonance chamber. It has strings made out of horsehairs.
The bow is also composed of horsehairs. This instrument is played mainly by Peul, but also Malinke ethnic groups in Guinea