6. “Freie Fantasie fürs Clavier,” following the inscription on the autograph, is the title given in E. Eugene Helm, Thematic Catalogue of the Works of Carl Philipp Emanuel Bach (New Haven and London: Yale University Press, 1989), 66, item 300. The arrangement for keyboard and violin is called “Clavier-fantasie mit Begleitung einer Violine” in Helm, ibid., 116, item 536, no doubt after the entry in the Verzeichniß des musikalischen Nachlasses des verstorbenen Capellmeisters Carl Philipp Emanuel Bach (Hamburg: Schniebes, 1790), p. 41, “No. 46”; the “Verzeichniß” was reprinted as The Catalog of Carl Philipp Emanuel Bach’s Estate: A Facsimile of the Edition of Schniebes, Hamburg, 1790, ed. Rachel W. Wade (New York and London: Garland Publishing, 1981).