Information for Ballet Nacional de Espana - Invocacion at Sadler's Wells Theatre, Inner London (Dance or ballet). During its 30 years, Ballet Nacional de Espa Ballet Nacional de Espana's Invocacion features four works that cover the cornerstones of Spanish dance. Artistic Director Rubén Olmo curates this all-encompassing evening featuring vibrant flamenco, traditional bolero, contemporary dance and classical ballet. De lo Flamenco is a tribute to the legendary dancer and choreographer Mario Maya. Olmo choreographs two works; Jauleña, performed by a different soloist from the company each night, and the colourful, ensemble piece, Invocación Bolera. Finally, Antonio Najarro's Eterna Iberia features the signature elements of Spanish dance - castanets, the Spanish Cape, and the Cordobes Hat. As one of the main cultural ambassadors of Spain to the world, Ballet Nacional de España highlights Spain's rich choreographic heritage. The National Ballet, founded by the Ministry of Culture in 1978, continues to set the standard for Spanish dance.