Hi Diki
No, you are light years ahead of what I know to do. I simply audition for the best sounding one for me and adjust the volume. I suppose that the drums are such an improvement over what I had, that I was glad for that. I will try and pick some with prominent drum parts and send them.

Thank you
Bernie
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pa4X 76 ,SX900, Hammond SK1, Ketron SD40,Ketron Event X Centerpoint Space Station, Bose compact