Distortion on guitar parts is also a function of how HARD you are hitting the distortion effect. Take a VERY careful look at average velocity levels, and overall dynamic range of the factory parts.

Sometimes it is best to hit a distortion with a pretty low level signal, and crank the distortion WAY up.

You know... 11, 11, 11, 11... Where can you go from there?
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An arranger is just a tool. What matters is what you build with it..!