april, 2024 Variations grégoriennes sur un Salve Regina 202428apr12 h 30 min20 h 00 minVariations grégoriennes sur un Salve Regina Event DetailsBy Irini Anastasiou, organ and Spyros Arkoudis, trumpet Greek National Opera website At 12.30pm and 8pm Event Details By Irini Anastasiou, organ and Spyros Arkoudis, trumpet Greek National Opera website At 12.30pm and 8pm Time (Sunday) 12 h 30 min - 20 h 00 min LocationCatholic Cathedral Basilica of Saint Dionysius the Areopagite, Panepistimiou 24, Athens 106 72 - Greece