O Key of David, and Scepter of the House of Israel; Who openest, and no man shutteth; Who shuttest, and no man openeth: come and lead the captive from the prison-house, and him that sitteth in darkness and in the shadow of death.
Roman Breviary, Great Antiphon at vespers on December 20th (ca. 7th cent.)
Roman Breviary, Great Antiphon at vespers on December 20th (ca. 7th cent.)