 Although the Handel autograph manuscript does not indicate an instrumentation, the key and range are consistent with the recorder, and both an earlier autograph of the sixth movement and a contemporary non-autograph manuscript of the entire sonata are headed "Sonata a Flauto e Cembalo".Both the Walsh edition and the Chrysander edition indicate that the work is for "traversa" (the Italian word customarily used in the 18th century for the transverse flute), and published it as "Sonata IX" (in B minor).Movements 1 to 5 of the work were published as the "Fitzwilliam Sonata No.