[Zubersoft]

There have been other discussions about this, but the song ID field is not really meant to be used like another piece of regular metadata. It overrides the way songs are matched with some features and has significant ramifications if working with other musicians if you utilize things like the library synchronization feature. I would not recommend using the song ID field for this purpose (and I may change this field to be "Synchronization ID" to make it more clear what it's for and possibly introduce a separate "Song ID" field that is just informational). Instead, if you use the custom field, you can then sort on Custom, as that is already supported.

Mike