Well 46MB in 28 sec. Let's make it simple and say 2MB/sec, roughly. Not bad. But only twice as fast as my 15 year old K2500.

But let's say you actually GET that 4GB RAM you say you all need... At probably the BEST it could do, not taking head seek times and the like into account, that's somewhere between 34 to 40 minutes to load up the memory.

You GOT that long before a gig? Not to mention, you had better have a pretty good UPS on it, in case the power dies or browns out, or it's "Sorry, folk, the power flickered for a second there, I'll be back in 40 minutes..! "
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An arranger is just a tool. What matters is what you build with it..!