Alessandro Scarlatti (1660-1725) was an influential Italian composer known for his operas and chamber music. He played a significant role in the development of the Neapolitan school of opera, which emphasized emotional expression and melodic beauty. Scarlatti's work laid the groundwork for later composers, including Wolfgang Amadeus Mozart and Giuseppe Verdi. Scarlatti is particularly famous for his cantatas and over 100 operas, showcasing his mastery of vocal and instrumental forms. His innovative use of harmony and structure contributed to the evolution of the Baroque style, making him a key figure in the history of Western classical music.