The symphonic valse La Reina de las flores, Op.11 (The Queen of Flowers) will be premiered tomorrow by the Orquesta de Cámara de Cartagena under the direction of Leonardo Martinez at "El Batel Auditorium", Cartagena, Spain. The concert will also have the great oboist Miriam Olga Pastor -from Royal Concertgebouw Orchestra- playing Mozart's oboe Concert. Finally, the orchestra will perform the "Eroica", third symphony in E flat Op.55 by Ludwig van Beethoven.