Francois Couperin Piéces de clavecin, Premier livre. The original edition of the first volume of Couperin’s “Pièces de clavecin”(1713), supervised by the composer himself, is noteworthy for its extraordinary notational precision. It contains exacting performance instructions, for which Couperin created his own symbols. This new Urtext edition in a modern engraving retains the essential features of the original print, such as the distinction between curved ties and straight legato slurs,