[AndyL]

If this is only an occasional thing you can use the export and import facilities. Select all your songs, click the menu at the top and choose share - Export as .msf and save somewhere. Then on the other tablet use import to load that msf. There are options about overwriting files etc. You should end up with a merge of the two databases.

Do a backup before you start just in case, then an always go back if it make a mess of things.

Andy