Ten-note barrel-shaped sound box, also known as board piano or thumb piano and lukembi, likembe, or kalimba; wooden with keys made from spoon handles, bicycle spikes, or metal keys hammered to the desired shape; keys plucked with thumb and fingers; very decorated; bottom has hole with eleven additional holes encircling it; inscription "CT" and "CP11D" carved into back of wood; origin Ndaka people of the Ituri rainforest.