Tantum Ergo - Such therefore a Sacrament, we venerate bowing down

Day 96 of #100daysofchant
One webpage about this hymn - plus the PDF that I'm singing from:
https://newbookoldhymns.brandt.id.au/hymns/tantumergo.html
Another webpage on learning the Latin for Benediction, based on the Catholic's Latin Instructor by Fr Caswall:
https://www.kidschant.com/course/benediction/