RapidComposer VST you can open Yamaha Styles save them to the library.
Drag the chord track from Biab into RapidComposer Midi Import to give the same chords. I think they were planing on implementing it to just work with Yamaha styles.
You can drag midi style tracks from Biab into RapidComposer and save them to the library then they will refit to any progression.
You can Drag midi phrases from the internet and save to library.
You can drag midi loops from EZKey, EZDrummer and EZBass and save to library.
This will work with all midi not just Yamaha style midi.