... according to the traditions of Roskilde in Denmark. Most places keep the Orkney martyr's feast on 16 April (the day of his death) and/or 13 December (the day his relics were translated), but Roskilde was one of the main centres of the Magnus-cult, and they celebrated him in summer.
My apologies for this blog's half-year of dormancy. I will shortly post a belated report on our April performances; and news of another choir's forthcoming Magnus-related concert in Kirkwall (link here if you can't wait to learn about this).