Martin Streda is a one-act monodrama for baritone and an ensemble of eight instrumentalists. The libretto was written by the composer. The drama concerns Martin Streda, a Czech political prisoner in a solitary confinement cell of a communist concentration camp on the eve of his death. The opera has a duration of approximately 30 minutes and is divided into four main parts. The analytical essay describes the development and operation of Mar-sys, a collection of twenty pitch aggregates derived from intervalic cells, rhythmic cells drawn from the Morse code alphabet, and other pitch organization systems.

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