Accordion VST & Sustain Pedal question

[David-san]

@DennisT2022

Le Parisien VST will follow the sustain pedal; however, upon release of the pedal, it immediately gets hung in a MIDI loop

Sorry, I am not in a position where I can check your Gig File, but the important information is how you switch from piano only to accordion and vibraphone. The good way to do it is to have one MIDI in block per VST and to block the note on message when you want to disable a plugin.
If you also want to bypass the VST itself, than rather use this:

[Gig] Plugin Persist 2.0

This gig file contains the Plugin Persist 2.0 Scriptlet, the major overhaul of the Plugin Persist Scriptlet now with auto-sleep and fade out features. [Plugin-Persist-v2-by-David-san] Introduction: Many Gig Performer users build rackspaces in which they use button widgets to bypass/unbypass instrument plugins in the variations. As plugins themselves may not behave as you would expect when they are bypassed or unbypassed, this scriptlet adds more stability if a plugin is poorly implemented. N…

@DennisT2022

The second accordion VST will not follow the sustain pedal at all.

An accordion has no sustain pedal, but when you need one, we have this:

[Gig] Sostenuto and Sustain

Scriptlets in this gig file allow you have a sostenuto pedal and/or a sustain pedal for instrument plugins that don’t have these pedals. [Sostenuto-Sustain] How to use Sostenuto: insert the sostenuto Scriptlet plugin in the MIDI connection before the instrument plugin (before the sustain scriptlet if you use it, too) if you need a second sostenuto insert it in the MIDI connection before the first sostenuto Scriptlet and use them in the order sostenuto #1, sostenuto #2 assign a widget to th…