You can also use this method for getting chords from the Biab Plugin into Cubase or Studio One, ReaTrak for Reaper has a button to get chords from the plugin. Will try and make a script for Cubase to get the chords from the plugin.
Cubase
Save a copy of the RealBand session to SGU to open in Biab
Watch https://www.dropbox.com/s/qmrih0pu325pobs/Biab-Chords-to-Cubase.mp4?dl=0
download https://www.dropbox.com/s/qmrih0pu325pobs/Biab-Chords-to-Cubase.mp4?dl=1

Reaper
Watch https://www.dropbox.com/s/ugjp1wgfcz3t5mb/RealBand-to-Reaper.mp4?dl=0
Download https://www.dropbox.com/s/ugjp1wgfcz3t5mb/RealBand-to-Reaper.mp4?dl=1

Studio One
Save a copy of the RealBand session to SGU to open in Biab
Watch https://www.dropbox.com/s/myxsq2v6y680e3i/RealBand-Using-Biab-Chords-to-Studio-One.mp4?dl=0
Download https://www.dropbox.com/s/myxsq2v6y680e3i/RealBand-Using-Biab-Chords-to-Studio-One.mp4?dl=1

Here's the Mac Output chords to midi: