The piece is a revised and extended version of 4 (hommage) études for solo piano. In the initial version, the work had a pedagogical background (etudes). The version for two pianos has been a journey of exploration for some of the work's own hidden sonic territories. Not being a set of etudes anymore, the piece is departing from its inherent educational character and lenas towards a broader spectrum of textural expression.

The first piece focuses on the sonic properties of closely pitched agg...