Pierre-Louis Couperin (c. 1668–1733) was a prominent French composer and keyboardist of the Baroque era, part of the renowned Couperin family, known for their contributions to French music. He primarily composed in the genres of keyboard music and chamber music, with a focus on harpsichord works. Notable works include his collection *Pièces de Clavecin* (published in 1700), which features a variety of suites and character pieces that exemplify the French ornamental style. His music is characterized by intricate counterpoint, rich harmonies, and expressive melodies, reflecting both the French tradition and the influence of Italian styles. Pierre-Louis Couperin's impact on music is significant, as he helped bridge the transition from the late Renaissance to the Baroque period. His compositions contributed to the development of the French harpsichord repertoire and influenced subsequent generations of composers, including his more famous cousin, François Couperin. His works continue to be performed and studied, highlighting the richness of the French Baroque music tradition.