This tour-de-force is scored for three groups. Group 1 consists of SATB Soli and String Quintet - Group 2 is SATB (Choir 1), Two trumpets, Two trombones and chamber organ 1 - Group 3 is SATB (Choir 2), flute, oboe, clarinet,bassoon, double bassoon, and chamber organ 2. Contents: Spes, via, vita · Alma Redemptoris Mater · O lux quam non videt alia lux · Nec mora, carnifices gemini · Attollite portas Principes.
| Genres | Medieval |
| Format | Vocal Score |
| NumberOfPages | 48 |
| Media | Sheet Music |
| Publisher | Boosey and Hawkes |
| Contributors | Maxwell Davies, Peter(Composer) |
| Language | Latin |
| ISMN | 9790060037528 |