Original: The Book of Urizen. Jacob De Haan. Composed by Jacob De Haan, James Curnow, Jan Hadermann, and Piet Swerts. 1960-.
Oversettelse: Komponert av Jacob De Haan, James Curnow, Jan Hadermann, og Piet Swerts. Praetorius Variasjoner. Musikk for Symphonic Band.