Thanks. I don't think it helped but I did subsequently notice that the 'organise' tab in windows media player has a 'apply media information changes option', which, when clicked, searched for all...

Windows 10 media player doesn't see any of my uploaded CDs. Groove and Spotify does see them and play them. However I synch my auto 4 and 5 stars playlist with my phone and usb for the car. So how...