Pange Lingua Gloriosi

Pange Lingua Gloriosi (“Sing, My Tongue, the Savior's Glory” and "Of the Glorious Body Telling") is a Roman Catholic Hymn sung during the Procession on the Feast of Corpus Christi, and during the Procession on Maundy Thursday. The hymn is written by St. Thomas Aquinas (1225-1274). The last two stanzas ("Tantum Ergo Sacramentum") are sung at the Benediction of the Blessed Sacrament.