Cassp,
It's not exactly what you explained for the arranger section. There are 3 sizes of bands. Bass and drum, combo and full orchestra. In additional, there is also "original" and "variation". I think the styles sound very good in this model and although there is not the 4 variations we find in most keyboards selling in the higher price range, this keyboard sells in the less than $500 range.

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George Kaye
Kaye's Music Scene
Reseda, California
818-881-5566
www.kayesmusicscene.com