I N S T R U M E N T S Spinet by Annibale dei Rossi 1571 Painting of Terpsichore by Anteveduto Grammatica Anonymous Italian harpsichord c.1670 Harpsichord by Johannes Couchet, ravalé by Nicolas Blanchet c.1725 Harpsichord by Jacques Goermans 1767 Fortepiano by Anton Walter, Vienna c.1797 Fortepiano by Johann Fritz, Vienna c.1812 Fortepiano by Conrad Graf, Vienna 1831