the Libretto of  Amadis de Gaule was originaly set by an Italian-born French composer, instrumentalist, and dancer who spent most of his life working in whose court?
Jean-Baptiste Lully Jean-Baptiste Lully (] ; born Giovanni Battista Lulli ] ; 28 November 1632 – 22 March 1687) was an Italian-born French composer, instrumentalist, and dancer who spent most of his life working in the court of Louis XIV of France. He is considered a master of the French baroque style. Lully disavowed any Italian influence in French music of the period. He became a French subject in 1661.
Henri Bertini Henri Jérôme Bertini (28 October 1798 – 30 September 1876) was a French classical composer and pianist. He was born into a family of musicians and attracted the attention of François-Joseph Fétis when he toured Europe as a child prodigy. As an adult he was admired both as a soloist and as a chamber musician; it was said that he played with Johann Nepomuk Hummel's simplicity and elegance without sacrificing the brilliance of the instrument. As a composer he had an original style which was rich in musical ideas, attractive melodies, and effortless harmonies. In 1848 he retired from the musical scene and settled in the Dauphiné in south-east France.