If your librarian works ok with Windows then I would love to try it out as well. Thanks.

Is your librarian similar to the OASYS Companion by Stuart Pryer.
I bought that a while back and then Korg changed a lot of the file format structure in the last couple of OS updates I seem to recall. Although the main functions do work in the Oasys Companion as far as I remember, I did have some serious issues with the OASYS freezing from time to time and I would have to reboot OASYS and my PC. When I spoke with Stuart about this he said he was unable to update OASYS Companion as Korg would not release the relevent documentation that he needed. I am not sure if anything has changed since then or if other users of Stuart's librarian are getting better results. But I basically stopped using it due to its instability at the time. I might have another look again though just to remind myself

Also, if the documentation you and Dan have mentioned in this thread is related to the pcg file structure which changed with the OASYS last OS revisions, would it be possible to get a copy so I can send this on to Stuart in the hope that he might be able to update OASYS Companion. Now that Korg have stopped further releases OASYS OS, I would imagine any other 3rd party utilities would be simpler to support now rather than having to revise them every time there was an OASYS OS update.
Hope this was not too off topic, and thanks for any infos on this.
Cheers
Tim