In Évora, D. Afonso attracted high-quality musicians (like Mateus de Aranda, Mestre de Capela from 1528 to 1544) for the cathedral by establishing significant wages; Pedro do Porto (also known as Pedro Escobar, El Portugués), Cantor of the chapel of Isabel I of Castile, the Catholic Queen, and Master of the choir boys at Sevilla, comes as Mestre de Capela to Évora. He is the author of the most ancient polyphonic piece by a Portuguese author (a three-voice Magnificat), as well as the most ancient polyphonic treatment of the Requiem in the Iberian Peninsula. D. Afonso also founded a school for the choir boys, allowing them to study after the voice-change; many of these boys became professional musicians. This Évora school formed high-standard musicians for more than 150 years.