Diego Ortiz

Diego Ortiz (c. 1510 – c. 1570) was a Spanish composer and musicologist, in service to the Spanish viceroy in Naples (Pedro de Urries) and later to Philip II of Spain. Ortiz published influential[citation needed] treatises on both instrumental and vocal performance.
Very little is known about his life. He is believed to have been born in Toledo and died in Naples.

In 1553 Ortiz was living in the viceroyalty of Naples. Five years later, the third duke of Alba, Fernando Álvarez de Toledo, appointed him maestro di capella of the Chapel Royal of Naples. In 1565 Ortiz still held the post under the Viceroy Pedro Afán de Ribera, duke of Alcalá.