It's a prayer that honors the Virgin Mary and seeks her intercession. The particular timing of when it truly is prayed may differ depending on individual or community tactics. The hymn is sung (using the English translation "Hail, Holy Queen enthroned previously mentioned") by a choir of nuns in the https://encapsuladosvip.com/vita-pro-nobis-descubra-os-beneficios-dessa-incrivel-planta-medicinal/