The OAS style sounds can be easily changed, but only for the whole track. (The OAS style engine although updated extensively is now about 8 – 9 years old)
If you have the OAA (Open Art Arranger) they can be changed per part, (Intro/ variation/fill etc) track and chord. (If memory serves correctly up to 16 variations)
In addition the number of parts are increased fro 8 to 18.

Bill
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