Three lines from Robert Gravesa restoration of the text from an ancient Celtic calendar-alphabet, the Song of Amergin, directly inspired the piece, which is in five sections.
| Instrument | Kammermusik |
| Sidor | 60 |
| Publisher/Producent | Oxford University Press |
| Bidragsgivare | Tann, Hilary(Composer) |
| ISBN | 9780193861077 |