Joel Hill wrote:

>There are so many wonderful 2 Piano works, I wondered if anyone is aware
>of any recordings where the soloist recorded both parts.  Lots of 2 piano
>teams have been married to each other, but I have never heard of anyone
>playing along with him/her self.  That is the most tactful way I can think
>to put it.

While I would guess that there are examples none come to mind.  However
Heifetz recorded both parts of the Bach BWV 1043 back in 1946 and on an
even larger scale, the Seattle Symphony recorded both parts of the Gould
Venice, a work for two orchestras.

Karl