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.
Mattia Verazi Mattia Verazi ( 1730 – 20 November 1794) was an Italian librettist primarily active at the court of Charles Theodore in Mannheim. He became known as the leader of a group of librettists who challenged the conventions of "opera seria" in the mid-18th century and was a long-time collaborator of composer Niccolò Jommelli. He also produced the libretti for Salieri's "Europa riconosciuta", Sacchini's "Calliroe", and J.C. Bach's "Temistocle"