Steve Schwartz responded to Kim Patrick Clow:

>>There are some studies that indicate that the themes from the portions
>>that Sussmayer completed are Mozart.  These could be based on the missing
>>sketches that Mozart's widow mentioned.
>
>Actually, scholars (don't ask me how) have determined who worked on what
>movements.  This is reflected in the Baerenreiter edition of the score.

That's actually why I asked the question - I'm doing a project on who
composed what (I'm a M.M.  history student)...

"Sam Brown" <[log in to unmask]>