What is an Ulla?

An Ulla is a traditional percussion instrument from Central Africa, particularly associated with the Gbaya people. It is a type of friction idiophone that produces sound through rubbing rather than striking.

The instrument typically consists of a hollow vessel, often made from wood or a gourd, with a notched stick attached or inserted into it. The stick has ridges or grooves along its surface.

An Ulla is played by rubbing or scraping the notched stick with another stick or object, creating a rhythmic rasping sound. The sound can vary depending on the speed, pressure, and texture of the movement.

It is commonly used in traditional music to provide rhythmic accompaniment, often alongside drums, voices, and other percussion instruments.

Today, the Ulla remains part of regional musical traditions and is appreciated for its distinctive scraping texture, adding rhythmic complexity and a unique sonic character to ensemble performances.