Dum baptismo venerabilis
| TYPE | 1 - Chant-like Melody |
| TOPIC | Religious |
| TUNE STRUCTURE | motivic |
| VERSE STRUCTURE | 1v 5l |
| KEY SIGNATURE | Mode 3 |
| TONAL CENTRE | E |
| INCIPIT | GB♭CE♭E♭E♭E♭E♭F'C'D'C' |
| GENRE | Antiphon |
| TEXT SOURCE | Christchurch Antiphonary: Office of St Patrick TCD MS 79, f. 160v |
| TUNE SOURCE | as above |
| FIRST LINE | Dum baptismo venerabilis |
| NOTATED INCIPIT |
Dum baptismo venerabilis puer tradereturtribus miraculis futurus Sancte Trinitati servus declaratur.
When the venerable boy was presented for baptism, three miracles revealed him as a future servant of the Holy Trinity.