Midi trigger via second cue list

is it possible to run a second cue list entirely in the background without it effecting live output of the main cue list?
Working on a show that wants to merge lighting and video cues together having the lighting console send MSC cues to control the video. For a couple scenes there are a bunch of video cues (over 50) in between two lighting cues. Instead of trying to create over 50 blank cues and fit them all in between the existing lighting cues, my hope is  that I could possibly create a second cue list that would just fire the midi cues and link into and out of that cue list from the main cue list as necessary without effecting the tracking of the main cue list. Any other ideas to achieve this would be appreciated and apparently its not possible to do the obvious answer and have video send midi to the lighting console. Not sure why this is though.

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