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
Early music of the British Isles laid some of the foundations of later national and international classical music. Musicians from the British Isles also developed some distinctive forms of music, including Celtic chant, the Contenance Angloise, the rota, polyphonic votive antiphons and the carol in the medieval era and English madrigals, lute ayres and masques in the Renaissance era, which would lead to the development of English language opera at the height of the Baroque in the 18th century. Surviving sources indicate that there was a rich and varied musical soundscape in medieval Britain. Historians usually distinguish between ecclesiastical music, designed for use in church, or