Definition: Quipus are a type of Indian percussion instrument, commonly used in folk and traditional music. They are typically made from wood or bamboo and have a cylindrical shape with a hollow center that is filled with air. The sound produced by a quipu is often described as "wobbling" or "swinging," and it can be played using the palm of one's hand, which creates a series of clicks and whiffs. Quipus are not typically used in traditional music settings because