Other than the post at roland-arranger.com, there was no information included in the email you sent me about where it came from, how it was made, whether you had made it or someone else...
I just wanted to make sure that it wasn't something YOU had created before I started dogging it! (I'm trying to be a kinder, gentler Diki, these days!).
The Piano track is actually quite good, but the drums... Why would anyone make a drum track that had ZERO dynamics?
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An arranger is just a tool. What matters is what you build with it..!