Schola Sanctae Sunnivae & Hartkeriana // Officium et Missae in Nativitate Sancti Ioannis Baptistae // CDScola Sanctae Sunnivae and Hartkeriana: Officium et Missae in Nativitate Sancti Ioannis Baptistae A female choir from Trondheim and a male choir from Amsterdam are releasing a double CD inspired by a thousand years of church music traditions Two internationally recognized choirs, Schola Sanctae Sunnivae from Trondheim (Norway) and Hartkeriana from Amsterdam (The Netherlands), have recorded a St. John's officium, a collection of a full day's masses and