I. CBSO, the /ˌsiː biː es ˈəʊ/ BrE AmE abbreviation for
the ↑ City of Birmingham Symphony Orchestra
II. ˌCity of ˌBirmingham ˈSymphony ˌOrchestra, the BrE AmE abbrev. CBSO
a British ↑ orchestra (=a large group of musicians) based in Birmingham. For many years, its ↑ conductor was Sir Simon ↑ rattle .