She commenced study of the violin at age 5 at the Madrid Royal Conservatory, where she graduated with high honors after 6 years.
She was recognized as performing before the young King and Queen Dowager of Spain as well as President Diaz of Mexico.
[1] Around 1909 she settled in Los Angeles, California, United States and taught at The Fillmore School of Music.
Between 1909 and 1919, many photographs were taken of Azpiroz by Charles F Lummis and those are currently housed in the Braun Research Library Collection, Autry Museum of the American West.
[2] Azpiroz was a virtuoso of the classical repertoire, including pieces by Beethoven, Mendelssohn, Vieuxtemps, Wieniawski, Sarasate, and Monasterio.