Try doing some double blind comparisons, Bill. I'm afraid that you will be amazed at how you can't tell the difference. I routinely encode at 256kbps, and other than classical stuff and stuff with huge dynamic range (which rules out ANY popular music these days!) with my 50+ year old ears, I am hard pressed to tell the difference.
Certainly, the almost imperceptible difference is not enough to justify buying a keyboard if the MP3's didn't impress.
The next time I hear a Wersi user demo that doesn't remind me of Reginald Dixon, I'll let you know! Now maybe they don't ALL sound like you are in Blackpool, but it sure seems like MOST of them do! Let's face it... Wersi players, on the whole, came through Wersi organ routes. It's the style, it's the washed out fast leslie organ lines slathered on everything, it's the sound of the holiday camp and the working men's club. Nothing WRONG with that, just sayin'!
Wersi arrangers, from what we tend to hear, seem to end up in the hands of people that would prefer a Scala! And would like to be heard rising up out of the stage floor! Of course, you COULD make any kind of music with them. Oddly enough, though, Blackpool always comes to mind when I hear the vast majority of Wersi stuff posted.
Now, I imagine you are going to go off and post a bunch of stuff that has nothing to do with the theater organ. But it's not going to make up for the vast majority that do!
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An arranger is just a tool. What matters is what you build with it..!