Tantum ergo Sacramentum
Veneremur cernui
Et antiquum documentum
novo cedat ritui
Praestet fides supplementum
Sensum defectui
[ Lyrics from: http://www.lyricsfreak.com/c/charlotte+church/tantum+ergo_20722035.html ]
Genitori, Genitoque
Laus et jubilatio
Salus, honor, virtus quoque
Sit et benedictio
Procedenti ab utroque
Compar sit laudatio. A-men