After seventy years of protection, Ravel’s Boléro is a work of public domain since 1 May 2016, and performers do not have to pay rights anymore. Yesterday however, the heirs asked for an extension of the copyright for 20 years. Their argument: The Boléro, originally composed for a ballet, should be considered a collaborative work by Maurice Ravel, choreographer Bronislava Nijinska and stage designer Alexandre Benois. According to the law, that would assure a protection of 90 years. The extension could bring as much as 20 million euros according to the French newspaper Le Figaro.