Maestro Diez Nieto has conducted the Orquesta Sinfónica de la Escuela Nacional de Música, thr Orquesta Sinfónica de Camagüey, the Orquesta Popular de Conciertos, with which he interpreted pieces from Johann Sebastian Bach, Antonio Vivaldi, George Frederick Handel, Joseph Haydn, Wolfgang Amadeus Mozart, Ludwig Van Beethoven, Felix Mendelssohn, Ignacio Cervantes, Eduardo Sánchez de Fuentes y Alejandro García Caturla; and premiered his "Concert for organ and orquestra", with Manuel Suárez as a soloist.