A new version for a 1996 release of the 2001: A Space Oddysey Soundtrack was performed by The Stuttgart Schola Cantorum under Clytus Gottwold.

Meaning 'eternal light' in Latin, this phrase is used quite often in catholic prayer.

Widely considered the most difficult choir piece ever written. It features sixteen voices that are set against each other in such delicate and complicated ways that an impenetrable web of colorful sounds emerges. There may be only half a dozen choirs in the world who can perform it, the fabulous Stockholm Radiokören being one of them.