Unfortunately, most of the style creators out there are still concentrating on more classic styles, or ballroom and jazz (which is, I suppose, what the majority of arranger players play), and little gets released (from those that DO have the time and skills to try and create styles) for the more contemporary players.
It's a crying shame that the 'Live Band' style category in the Rolands has by far the fewest styles (only ten) compared with 20-40 of most other categories...
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An arranger is just a tool. What matters is what you build with it..!