The creation of Iannis Xenakis’ « Persephassa » at the Shiraz-Persepolis Art Festival. There are only a few archives left of this piece, for its ring-like disposition around the audience made it difficult for people to record it or take pictures of it. When it was created in Persepolis, each percussionist was settled on the stump of a column of the Palace of Darius. The distance between them could go as far as 164 feet (50 metres).

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