Background
He was the second son of Federico II Gonzaga, Duke of Mantua and Margaret Palaeologina of Montferrat.
He was the second son of Federico II Gonzaga, Duke of Mantua and Margaret Palaeologina of Montferrat.
In 1574, Montferrat was elevated to a Duchy and he became its first duke. Guglielmo was particularly interested in sacred vocal music, and is known particularly to music historians for his extensive correspondence with the composer Giovanni Pierluigi da Palestrina. He built a large new church in Mantua, dedicated to Santa Barbara.
He engaged in an unprecedented negotiation with the Papacy to create his own rite for Mantua, and devoted considerable resources to developing a musical repertoire for the church, commissioning works by Giaches de Wert and Palestrina.
Participant of his correspondence with Palestrina discusses the work commissioned in detail, stipulating Guglielmo"s requirements, and therefore giving a sense of his musical preferences. Guglielmo"s musical tastes were conservative for the day.
He enjoyed imitative contrapuntal music but was concerned to maintain clarity of text, thereby showing the influence of Tridentine reforms.