The antiphonal is preserved within the archives of the Cathedral of León and a symposium in March 2011 is set to consider it in detail.
The antiphonal itself dates from 1069, copied by one Abbot Totmundo, and the manuscript itself claims that it was "copied directly from another manuscript of the seventh century". The antiphonary is considered by some musicologists to be a "'precursor' of Gregorian chant."
A full facsimile edition of the antiphonary is being prepared to be published in a limited edition of 1000 copies (and 2500 digital copies) in 2011.
For more on this story:
LoVozLibre: Simposio investiga la única joya musical mozárabe completa, aún sin descifrar
Agencia EFE: El Ministerio de Cultura edita mil ejemplares del antifonario mozárabe
