>
>There is a body of research done at City University, London by
>someone whose name escapes me (and I know he has moved on) on teh use
>of speed changes by pianists to indicate phrasing.  There is also
>evidence of amplitude being used to show phrasing.
>  I would suggest starting to look at this stuff.  If my references is
>too opaque I can see if I can find the full reference.
>==John ff

(Also) see "Tempo Curves Considered Harmful" by Peter Desain and Henkjan Honing.
I think it is in one of the CMJ's but definitely in
their book:
Music, Mind and Machine.
Studies in Computer Music, Music Cognition and Artificial Intelligence.
Peter Desain and Henkjan Honing
Thesis Publishers. 1992. Amsterdam.