D969n10 is a simple case where the source of the soprano/alto pair in the 2v/bass trio texture is especially obvious (see my rewritten version below the score).
Two examples from the early dances:
Rewritten in trio texture:
D924n11 is more elaborate (I wonder if it's an imitation of improvised variation by violinists) but at the same time holds more closely to the thirds/sixths pairings typical of the violin pair.
Two examples from the early dances:Among the Laendler of D145, no. 9 is another simple case. Obviously, the key of Db major is another expressive alteration of a typical violin key (D), like the Ab (from A) that dominates D365.
The same for D365n15:
