Effective period / Period of releases: 2000

Members: Roberto Liñana, Pablo Sorozábal, Manuel Lillo, Joan Foriscot, Antonio Pallarés, Carmelo Bernaola, Rafael Revert, Enrique Garcia Asensio, Rodrigo De Santiago, Jesus Arambarri, Eduardo Pausá, Moisés Davia, Julián Elvira, Victorino Echevarria, Julio Molina, José Domínguez (3), José Sotorres, Nelly Agirre, José María Martín Domingo, Ricardo Villa González, Rafael Sanz-Espert

Also known as BSMM.
Founded in 4 August of 1908 by the Mayor of Ayuntamiento De Madrid Conde de Peñalver. First performance in 2 June of 1909 at Teatro Real conducted by Ricardo Villa González

Conductors who have occupied the podium in all this time, in chronological order are:
D. Ricardo Villa González - Director fundador (1909-1935)
D. José Garay -Subdirector
D. Miguel Yuste Moreno - Subdirector (1909-1931)
D. Pablo Sorozábal - Director (1936-1939)
D. José María Martín Domingo - Subdirector (1931-1959)
D. Manuel López Varela - Director (1944-1950)
D. Jesus Arambarri - Director (1953-1960)
D. Victorino Echevarria - Director (1949-1961)
D. Julio Molina - Subdirector (1961-1979)
D. Rodrigo De Santiago - Director (1967-1977)
D. Ignacio Hidalgo Ortiz - Subdirector (1979-1984)
D. Moisés Davia - Director (1979-1985)
D. Joan Foriscot - Subdirector (1985-1998)
D. Pablo Sánchez Torrella - Director (1986-1992)
D. Enrique Garcia Asensio - Director (1993-2012).
D. Rafael Sanz-Espert - Director (2012 - ? )
D. Francisco Javier Martínez Arcos - Subdirector (2013- ? )