If you get deeper into generating parts through creative randomization, you’ll find yourself sometimes wondering how to get rid of certain nasty notes. There are all sorts of techniques for taking parts that have been generated through random, or strange improvisational techniques and turning them into musically coherent material. We’ve already discussed one of the simpler methods: sample it all.

For certain applications you need to be able to discard undesirable MIDI notes on the fly. There are a few ways to do this, but here’s a very customizable method you might not have thought of: a MIDI Effect Rack.

First, create an empty chain…

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…and then show the Key Zone editor for it:

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By creating multiple chains with different Key Zones, you can selectively filter out any notes you want.

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Any notes not covered by the green zone bars above will simply be discarded.