The text for this anthem is taken from the Responsory set for the Office of Matins on Christmas Day. It tells of the great mystery of seeing our Lord laid in a cradle amongst the oxen.
O Magnum Mysterium
| Arrangement | Organ Accompaniment, SSA |
| Genres | Choral, Post-1900, Sacred |
| Format | Vocal Score |
| Level | 3 |
| NumberOfPages | 4 |
| Media | Sheet Music |
| Publisher | Novello & Co Ltd. |
| Contributors | Swayne, Giles (Composer) |
| Language | English |