Oslo Cathedral Choir, also known as Oslo Domkor, is a professional choir specializing in Norwegian church music. The choir takes part in weekly church services and has a varied repertoire that includes works by famous composers such as Rossini and J.S. Bach. In addition to musical services, they arrange concerts and engage in cultural and musical activities in Oslo, which contributes to the promotion of church music in Norway.
The choir has a high level of activity, which includes concert productions, public and national commissions, as well as recordings and tours. The Oslo Cathedral Choir also has a standby function for public Norway, which enables them to participate in important public celebrations and events. The artistic director and conductor of the choir is cantor Vivianne Sydnes, who also holds a professorship at the Norwegian Academy of Music.