to the tastes of the dedicatee, Ortiz's employer, Pedro Afán de Rivera, Duke of Alcalá and the Spanish Viceroy in Naples. In the preface to this publication, Ortiz encourages performers to accompany these sacred polyphonic works with instruments, a practice favoured at the time in Spain, and promises future publication of a book of masses which never appeared. References Footnotes Sheetmusic El primo(-secondo) libro de Diego Ortiz (click "View options" JPG icon) - Biblioteca Nacional de España info 1510s births 1570s deaths Spanish classical composers Spanish male classical composers Spanish music theorists Renaissance composers People from Toledo, Spain