Hi Tony
I have used Composer for years, but just for lead sheets. I have found it the best, but haven't delved into all it's capbilities.

I suggest you go to their forum.
http://www.notation.com/vb-forum/index.php

Bernie
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pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact