A century after his death on 25 March 1918, many harmonia mundi artists were eager to pay tribute to Claude Debussy, the magician of melody and timbre, the great 'colourist' and father of modern music. In the three chamber sonatas, here combined with the composer's final pieces for solo piano, we attain the purity, the absolute concision, the distant and mysterious world that give these works a testamentary dimension.