Armand-Louis Couperin (1727-1789) was a French composer and harpsichordist, notable for his contributions to the Baroque music tradition. He belonged to the prominent Couperin family of musicians, which included his more famous relatives, François Couperin and Louis Couperin. Armand-Louis is best known for his keyboard works, particularly his "Pièces de clavecin" (Harpsichord Pieces), which showcase his skill in combining intricate counterpoint with expressive melodies. His compositions often feature the use of ornamentation and reflect the French style of the time, characterized by elegance and refinement. Notable works include "Les Rythmes" and "Les Saisons," which illustrate his ability to evoke mood and atmosphere through music. Though less celebrated than his predecessors, Armand-Louis Couperin's impact lies in his role in the evolution of keyboard music and his contributions to the French harpsichord repertoire. His works influenced later composers and helped lay the groundwork for the transition to the Classical era. Today, he is recognized as an important figure in the development of the French Baroque style.