Pange lingua gloriosi corporis mysterium

"Pange Lingua" (Ecclesiastical Latin: [ˈpandʒe ˈliŋɡwa ɡloriˈosi ˈkorporis miˈsteri.um]) is a Medieval Latin hymn attributed to Thomas Aquinas (1225–1274) for the Feast of Corpus Christi. It is also sung on Maundy Thursday during the procession from the church to the place where the Blessed Sacrament is kept until Good Friday.