Actually, my arranger's drum section would do a MUCH better job of nailing the house beat were we to use it alongside the drummer. But I doubt any more people would dance than if we stick to the live version..! It's possible you have forgotten the power of a really good live drummer to make people's butts move..! Anyway, you aren't going to get hired to do a night's worth of house. You just want to be able to throw one or two in if you get a request...

I am more likely to credit you not being familiar with the music as to why you don't think you can compete, Donny. Your arranger, with as much care put into the registrations as you do for older styles, is as capable of getting the floor packed. But if you don't know the tunes, don't know the style, it doesn't matter whether the gear is capable or not.
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An arranger is just a tool. What matters is what you build with it..!