"Boléro" is a one-movement orchestral piece composed by Maurice Ravel in 1928. It is known for its repetitive melody and gradual crescendo, building intensity throughout the performance. The piece features a steady rhythm and is often associated with the dance form of the same name. The composition begins softly with a snare drum and gradually layers various instruments, creating a rich tapestry of sound. "Boléro" has been widely used in popular culture, including films and ballet, and remains one of Ravel's most famous works, showcasing his innovative approach to orchestration and rhythm.