Lully, or Jean-Baptiste Lully, was a prominent French composer and musician in the 17th century. Born in 1632 in Florence, Italy, he became a key figure in the development of French opera and ballet. Lully's work was characterized by its lively rhythms and rich orchestration, which helped shape the Baroque music style. He served as the court composer for King Louis XIV and was instrumental in establishing the Académie Royale de Musique. Lully's most famous compositions include operas like Armide and Atys, which showcased his innovative use of music to enhance dramatic storytelling. His influence on music and theater remains significant today.