For String Trio and Piano left-hand
In the first part the strings spell out a version of the chaconne (a continuously repeated motive) in octaves while the piano plays improvisatorily against them; the second (and longest) part is a slow melodic crescendo and decrescendo in which the chaconne theme passes from instrument to instrument: the piano does not enter until the mid-point; in the third part the piano turns its first-part improvisation into a toccata-like presto.
Three-part Chaconne lasts around nine minutes, and was commissioned by the Nash Ensemble with financial assistance from IBM UK Ltd.