Listen to Ravel: Boléro, M. 81 online. Ravel: Boléro, M. 81 is an Unknown language song and is sung by Sydney Symphony Orchestra and Stuart Challender. Ravel: Boléro, M. 81, from the album The Classic 100 - Love, was released in the year 2017. The duration of the song is 14:38. Download Unknown songs online from JioSaavn.