She was the first wife of the first Bourbon king of Spain, Philip (Felipe) V, a grandson of Louis XIV of France who succeeded to the Spanish throne on the death of Carlos II in November 1700.
In April 1702, Felipe V left on a tour of his Italian possessions appointing Maria Luisa as regent in his absence.
There is no reason to suppose that Murcia travelled with him to Naples, Italy, or met the composers Arcangelo Corelli and Alessandro Scarlatti.
In 1714 Murcia dedicated a guitar treatise to Jácome Francisco Andriani, a special envoy of the Catholic cantons of Switzerland to the King of Spain.
The discovery was made by the musicologist Alejandro Vera from the Music Institute at Pontificia Universidad Catolica de Chile.