a pinkillu, pinkuyllu or pinqullu (quechua or aymara, hispanicized spellings "pincollo, pincuyllo, pingullo, pinquillo", also "pinkillo, pinkiyo, pinkullo, pinkuyo") is a flute found throughout the andes, used primarily in argentina, bolivia, chile, ecuador and peru. it is usually played with one hand, leaving the other one free to accompany oneself on a drum like the "tinya". it is used in a variety of public festivals and other kinds of communal ceremonies.