ماخذ: Gernikako Arbola. Gernikako Arbola composed by Mikel Bell. Published by Lighthouse Music Publications. Euphonium sheet music.
ترجمه: A very popular "Hymn of the Basque Country". Eusko Abendaren Ereserkia, O Canada, and The Star Spangled Banner. B-تخت لوله نت.
