This is the CD album "Parliament of Demons" by British composer Greg Fox, written 15th of September 2006. The work is in five parts: two canons, a ricercare and two crab canons. The work is based on two themes, both of which are random chance-operation based melodies for fake woodwind instruments. These themes form the basis for the entire 50-minute structure.
The outer 'bracket' canons state their particular theme three times, with each new iteration being a resampled transformation in the golden ratio, such that both the durations and pitches of each iteration to the next are in proportion phi.
The piece also exists in a "suite" form, which is based entirely on the 'centrepiece' fugue and is structurally clearer, easier to recombine in CD compilations, etc.
"Parliament of Demons" was written on the 15th of September 2006 in one sitting. This was made possible by the fact that the piece is on the one hand derived from two themes, both of which were generated by (guided) chance, and on the other hand the fully-implemented piece was arrived at by strict/pure procedures without very much embellishment.
This gives it a rather austere, Bachian flavour, especially compared to the relaxed atmosphere of my recent sine-wave pieces.
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