Itunes library multiple listings

My Cloud OS 3 Personal & Network Attached Storage My Cloud
2

This might happen as you move things around. If you right click on a duplicate song, and choose “show in explorer/finder”, you might find out that many copies are in fact orphans.

Check out this other post:

http://community.wd.com/t5/WD-My-Cloud/itunes-changing-library-from-external-drive-to-My-Cloud-query/td-p/715278