The Balafon is a precursor to the modern xylophone, deeply rooted in the culture of West Africa. It consists of wooden bars tuned to various pitches. What makes the Balafon unique is the use of dried gourds hanging beneath the bars to act as resonators. To increase the 'buzzing' quality of the sound, small holes are drilled into the gourds and covered with a thin membrane—traditionally spider silk or bat wings, but today often cigarette paper. This creates a sympathetic vibration known as 'mirliton.' The Balafon is often played in pairs or larger ensembles and is a central part of oral history and storytelling. The 'Sosso-Bala,' a sacred Balafon kept in Guinea, is recognized by UNESCO as a Masterpiece of the Oral and Intangible Heritage of Humanity.