Joaquín de Oxinaga (1889–1952) was a Spanish composer and musician known for his contributions to the genre of classical music, particularly in the realm of choral and orchestral works. He was born in the Basque Country and later moved to Madrid, where he became involved in the musical scene of the early 20th century. Oxinaga's notable works include "Misa de la Paz" and various choral arrangements that reflect his deep understanding of vocal harmonies and traditional Spanish themes. His compositions often incorporated elements of folk music, making them accessible and appealing to a broader audience. His impact on music is particularly significant in the context of Spanish classical music, where he helped to bridge traditional folk elements with contemporary classical styles. Oxinaga was also an educator, influencing a generation of musicians through his teaching and mentorship. His dedication to promoting Spanish musical heritage has left a lasting legacy, and he is remembered for his ability to convey the emotional depth of Spanish culture through his compositions.