Elberdín’s compositions—ranging from orchestral suites to choral works—carry a sense of spiritual depth, making "Ave Maria" a fitting extension of his oeuvre. The phrase "Ave Maria, gratia plena" (Hail Mary, full of grace) is drawn from the traditional Catholic Ave Maria prayer, but Elberdín reimagines it with a distinctively Basque flavor. Written for choir and optional organ, the piece is both devotional and deeply personal, blending sacred text with a sense of regional pride.