Spanish Basque composer who was a key player in 20th-century Spanish and Basque music. His style fits into the late Romantic idiom, directly inherited from Wagner, and with a strong influence from Basque culture. Among his best-known works are the zarzuela El Caserío, the opera Amaya, the orchestral work Ten Basque Melodies and his organ works, where the Triptych of the Good Shepherd can be highlighted.