http://www.groundline.net/ostia/people/Kafziel.html
Also, according to Mark Feldman, Kafziel literally translates as
"governs the death of kings."
According to Wikipedia, Kafziel is the same apparition as Cassiel,
notable as the "other angel" the film "Wings Of Desire." This is the
angel that became human in the sequel "Far Away, So Close."
The tune itself is among the wilder ones, with moments of supreme
grandeur juxtaposed with noisy, scratchy improvs