Isn't there a CC for this.. like the sustain pedal on a piano?
CC66: Sustenuto?
Reaper's JS: MIDI/midi_CC_mapper plugin would allow you to take something else if need be, mod wheel or whatever, and map it to this control instead...
In the MIDI editor you can have an automation lane switching this on and off in a sequence.
Last edited by G.T.D.; 04-20-2012 at 11:23 AM.
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