Friction drum (Fr.: tambour à friction; Ger.: Reibtrommel; Sp.: tambor de fricción), membranophone sounded by friction. This can be accomplished by rubbing the drumhead with a piece of hide, as is sometimes done in Africa, or by means of a stick or cord fixed to the head. In its simplest form, the European friction drum consists of a wooden bucket or a clay pot with the top open and the bottom closed by a membrane. A small hole is pierced in the center of the membrane and a wooden stick…