απ' το wikipedia: voices of light is a 1994 musical composition by richard einhorn. it was inspired by the silent film the passion of joan of arc (dir. carl theodor dreyer), which is also accompanied with a live performance. the libretto is based on excerpts from a variety of ancient writings, most of it from medieval female mystics. it is scored for a small orchestra, chorus and soloists.
in the 1980s, richard einhorn was developing a large piece on a religious subject when a friend suggested joan of arc as the subject. while sifting through the archives of the museum of modern art, he found a still from the movie the passion of joan of arc. after watching the film, he set to work on the entire piece. the piece premiered in early 1994 as live accompaniment of the dreyer film in western massachusetts.
an album was released in 1995, and featured the netherlands radio philharmonic orchestra and the netherlands radio choir, the former conducted by steven mercurio, and featured the vocals of anonymous 4, susan narucki, corrie pronk, frank hameleers and henk van heijnsbergen. it totals 14 tracks and contains a 28-page booklet further detailing the background and history of the pieces.
when the criterion collection released the film on dvd, they included as an audio option a specially edited performance -using the 1995 recording- of the oratorio as a soundtrack accompanying the film.
part 1 & part 2