- Valdemar Axel Roldan
(b ?Córdoba, before ?1945). Argentine composer and teacher. After study at Córdoba University and Conservatory, she studied with César Franchisena, Zlatko Topolsky, Nicolás Alfredo Alessio, Alfredo Luis Nihoul, Ornella Devoto and Francisco Kroepfl. Castillo has dedicated herself primarily to composition and to the dissemination of 20th-century music. Considered a pioneer in the production of electro-acoustic music in Argentina, her works have been performed in many national and international festivals and congresses. She began to create musique concrète and electronic music at the centre for experimental music at Córdoba University, of which she was a founding member. Later, she used computers to combine electro-acoustic music with traditional instruments. She is a founding member of the Córdoba Composers' Association, the Córdoba Argentine Federation of Electro-Acoustic Music and the Agrupación Nueva Música of Córdoba, of which she is president. Her works have been performed in Argentina and abroad. She is professor of composition and musical analysis at Córdoba University....