Long idiomatic work of 193 compases. A tuning gives G tonality although quite a bit of Phrygian activity occurs. Not very conventional approach to the modes.
The work is a loose assemblage of independent unrelated episodes – 9 of them. Some are thematic or sequential or even imitative. All begin with a single idea and then dissolve into a freer kind of consonancias y redobles mixture. This provides the essential unity in two ways: it ensures a textural identity common to all sections, and a basic similarity in dramatic shape of each episode whose culmination is the break into free material.