Hi CityCentreFox,
Try version 0.5b and upgrade it to the latest patch with git pull, see here:
#65321
In this version your Windows share is mountable in the Sources UI and if you switch Samba on in the Settings UI your files on the PI will be visible for other network devices.
When you add files via local storage or via a network share MPD indexes them, the order of files is irrelevant. It uses the metadata embedded in your music files to build up its indexes.
janui