THE TREE OF GERNIKA - GERNIKAKO ARBOLA. Complete Poems. Bertsoak. 200 years ago today (August 12, 1820), Jose Mari Iparragirre was born in Urretxu, Gipuzkoa, A musician who lived in the Diaspora he is the author among other popular pieces of Gernikako Arbola, the Basque anthem par excellence. Coinciding with the anniversary, David Romtvedt and Xabier Irujo present a Basque-English edition of his verses, published by the University of Nevada-Reno Center for Basque Studies Press (the book will be on sale in a few days), thus premiering its new Bidart Family collection. In the video, David Romtvedt reading and singing Iparragirre's texts in Basque and English.