The Chorus of the FNO is Finland’s only full-time professional choir. It has been an organised professional choir since 1945. At the moment, the Chorus has 50 auditioned members, most of them graduates of the Sibelius Academy. The FNO also has an extra chorus, whose singers are used to augment the regular Chorus in larger works. The FNO also has a children’s choir with about 50 members.