The Sea Organ in Zadar, Croatia, is an awarded urban architectural installation using seawave random kinetic energy to produce musical sounds. It contains 35 stopped flue pipes built into subterranean tunnels having outwards-bound appertures for the sound to emanate. Each flue pipe is blown by a column of air pushed in turn by a column of moving water entering an immersed tube. The pipes are tuned to 9 tones of the diatonic major chords G and C6. The series of excited tones is a statistical function of time- and space-distributed wave energy to particular pipes. In this paper the acoustical and musical design propositions and solutions, as parts of the multidiscipline design process, will be presented.
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