Sounds & Music
Aleister Crowley intoning the first four Collects from the Gnostic Mass:
A Ka Dua
A MIDI file of a simple intonation for the “A Ka Dua” mantram from the Gnostic Mass, based on the bar of music in Book 4, Part I.
A Ka Dua MIDI
Richard Kaczynski has rendered this music as a MIDI file, which is available here.