blast wrote:...2nd suite's air and the 3rd suite's pièce...
Air = "Pièce sans titre" - actually
Du Phly: 2e Menuet from Quatrième Livre de Pièces de Clavecin
and
Pièce = "Pièce sans titre" - actually
Du Phly: La Vanlo from Premier Livre de Pièces de Clavecin
(see IMSLP)
For a long time these pieces had been attributed to Rameau.
P.S. If you see the Rameau-Huber pieces as what they are:
free piano transcriptions of harpsichord pieces, they may be considered as quite successful achievements!
(You may prefer the original scores, though, which can be successfully played on a modern Concert Grand as notable pianists recently proved.)