 After some research, he identified an 80-year-old Kalmyk refugee.Burtt recorded her telling folk stories in her native language, and then used the recordings as a basis for sounds that became the Ewok language and were performed by voice actors who imitated the old woman's voice in different styles.For the scene in which C-3PO speaks Ewokese, actor Anthony Daniels worked with Burtt and invented words, based on the Kalmyk recordings.