Ortzuri. R. M. Azkue apaizak iru ataletan ta euskeraz egindako opera. Opera escrita en tres actos y en vascuence por el Presbítero Dr. Azkue

Opera written between 1909-1910 in three acts and in Basque dedicated to the Urquijo brothers. This article introduces the libretto in Basque and Castilian Spanish as well as Opera scores. Ortzuri is a woman who lives in a fishing village and who is in love with Ileder (Teles), who dies at sea