Bolero is recognized as both a genre of music and a specific orchestral work by Maurice Ravel. The piece is notable for its gradual crescendo, starting softly and culminating in a powerful finale, which lasts approximately 15 minutes. Many listeners associate Ravel's Boléro with significant cultural events, particularly in the UK after 1984. The composition's unique structure and emotional impact make it a memorable experience for audiences, often evoking strong feelings during performances.