Oreka Tx is a txalapartaris duo with a mission to showcase the txalaparta, a traditional basque instrument, around the world. The duo, which consists of Harkaitz Mtnz. San Vincente and Igor Otxoa, has been traveling with their instrument since 2003. They have produced a documentary, TX Nömadak, about the story of their journey and their encounters with musicians from many countries. The song Keinuka Ilargiari, from the album Quercus Endorphin, can be heard in the movie The Basque Country : A Nation Without Borders.