Steve Schwartz wrote:

>...  As far as I know, Beethoven wrote nothing for two pianos and
>orchestra, which is what *I* hear, at any rate.  So, a quick check of
>the Koechel catalogue shows me that Mozart wrote a two-piano concerto,
>a work which would be new to me.
>
>So I plump for that.

To me it sounds like Saint-Saens, from the first note to the very last.
(I can't believe my eyes that you have never heard (of) K365!!!)

_Norman_ Schwartz (No relation)