Baroque music of the British Isles produce an indigenous tradition. However, arguably the most significant British composer of the era, George Frideric Handel, was a naturalised German, who helped integrate British and continental music and define the future of the classical music of the United Kingdom that would be officially formed in 1801. With the Restoration of the monarchy in 1660, Charles II made the court once more the centre of musical patronage in Britain, the theatres were reopened and, after the introduction of a new Book of Common Prayer in 1662, choral music began to be developed again. The king's time on the continent, his
Music of Brazil strongly influenced the Brazilian music of this time. José Maurício Nunes Garcia, the first of the great Brazilian composers, emerged at this time. With a large culture for his origin – he was poor and mulatto – he was one of the founders of the Irmandade de Santa Cecília, in Rio de Janeiro, teacher and mestre de capela of the Royal Chapel during the presence of John VI in Brazil. Nunes Garcia was the most prolific Brazilian composer of this time. He also composed the first opera written in Brazil, "Le Due Gemelle" ("The Two Twins"), with text in Italian,