A chaconne is a musical form that originated in the late Renaissance and became popular in the Baroque period. It typically features a repeated bass line or harmonic progression, over which variations are created. This structure allows composers to explore different melodies and rhythms while maintaining a cohesive sound. The chaconne is often characterized by its lively tempo and dance-like quality. Notable composers like Johann Sebastian Bach and Henry Purcell wrote chaconnes, showcasing the form's versatility. It is frequently found in instrumental music, particularly for strings, and has influenced various genres, including classical and folk music.