Fieldwork on Tiefo-D (of Daramandougou village cluster, southwestern Burkina Faso), resulting in a grammar-lexicon-texts documentation. Tiefo-D and the extinct but documented Tiefo-N (of Nyafogo and Numudara villages) Most audio files involve a primary speaker and a second speaker serving as audience and animator. Most of the recordings are transcribed and translated in the "Tiefo-D Texts collection" in Deep Blue Documents (copy included here). See also A Grammar of Tiefo-D (Deep Blue Documents), and the Tiefo-D lexical files (Deep Blue Data).