# Key Switches
Art Conductor uses a unified key switch system. The essential switches are always on the same note, and as a result, you can remember them better and control libraries from different manufacturers much more effortlessly. They can be found in the lowest octave starting at C-2.
We’ve recently started using PolyPressure MIDI events to control the remaining articulations. That’s more convenient for you, and you won’t switch the articulation by accident anymore when playing the instrument.
A couple of instruments do not follow this order, as they don’t contain enough techniques that fall into the categories in the diagram above. The template names of these instruments end with a swung dash “\~.”
Another thing worth mentioning is that Logic has a MIDI channel setting in the Articulation setup. So, if you have a second keyboard or another way to input key switches, use another channel – this will avoid any issues with large amounts on lower octave key switches.
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