High Quality Content by WIKIPEDIA articles! The Bournemouth Symphony Orchestra (BSO) is an English orchestra with a remit to serve the South and South West of England. Founded in 1893, the BSO has developed a reputation as one of the UK`s major orchestras and has worked with many of the world`s leading composers, conductors and performers. Originally based in Bournemouth, the BSO moved its offices to the adjacent town of Poole in 1979.