Bilbao Orkestra Sinfonikoa (BOS, Bilbao Symphony Orchestra, Orquesta Sinfónica de Bilbao in Spanish) is a symphony orchestra based in Bilbao, Spain.
The orchestra's first concert was on May 8, 1922[1] at the Teatro Arriaga, under the direction of maestro Armand Marsick (nephew of Martin Pierre Marsick).
Principal conductors have been Armand Marsick, Vladimir Golschmann, Jesús Arámbarri, José Limantour, Antoine de Babier, Rafael Frühbeck de Burgos, Alberto Bolet, Pedro Pirfano, Urbano Ruiz Laorden and Theo Alcántara. Günter Neuhold has been music director and Chief Conductor since 2008.
The Sinfonikoa was invited to perform at Mariinski Theatre in Saint Petersburg, Russia, for the 300th Anniversary of the city.[2] In 1998 it represented the Basque Country at the World Expo in Lisbon, and in 1999 it took part in the inauguration of the Euskalduna Palace in Bilbao.
The Sinfonikoa performs regularly at the National Auditorium in Madrid and the Musical Fortnight in Donostia, in addition to engagements at the Santander International Festival, Paris Festival, and the Religious Music Festival in Cuenca.