Effective period / Period of releases: 1957 - 2010

Members: Enrique Pérez, Julia Jimenez, Miguel Jimenez, Rafael Frühbeck De Burgos, Aldo Ceccato, Belén Aguirre, Jose Oliver, Jesús López-Cobos, Josep Pons, Javier Bonet, Santiago Crespo, Andres Carreres, Enrique García, Javier Goicoechea, Alvaro Quintanilla, Antoni Ros-Marbà, Ataúlfo Argenta, Leocadio Parras, Luis Antón, Servando Serrano, Carlos Baena, Rafael López del Cid, David Afkham, José Domínguez (3), Vicente Lillo, Miguel Moreno (3), José Sotorres, Bartolomé Pérez Casas, Dionisio Rodríguez, Hermes Kriales

Spanish symphonic orchestra. One of the greatest Spanish orchestras. Founded in 1940 and actually based at Auditorio Nacional de Música, Madrid. Sometimes credited by his acronym ONE or with chorus as OCNE.
Part of the Spanish state group Orquesta Y Coro Nacionales De España with Coro Nacional De España. Also related Joven Orquesta Nacional de España JONDE.
Principal (chief) conductors:
Bartolomé Pérez Casas (1942–1949).
Ataúlfo Argenta (1947–1958).
Rafael Frühbeck De Burgos (1962–1978). Honorary conductor since 1998 until his dead 11 June 2014.
Antoni Ros-Marbà (1978– 26 de abril de 1981).
Jesús López-Cobos (1984–1989).
Aldo Ceccato (1991–1994).
Josep Pons (2003–2011). Honorary conductor since 2 December 2011.
David Afkham (2014–).