I do not want make the job again and copy my complete music library to the new Laptop (not enought storage) and pick up again each missing song into this 'my music' playlist. Then I connected the USB Stick with the music library backup and tried to download from it. All songs are grey and not playable, but in the Spotify download folder are are lot of downloads. It does not work, Download starts, but nothing happens. Now I have a new Windows Laptop and I thought I could do the same and even download all songs of 'My Music' playlist in the Spotify Desktop app as I did with the android app. So in the past I created a special playlist 'My Music' for these songs to download and hear these songs on my android devices.

10% of these songs are not available in Spotify catalogue. I have a lot of own music on my computer (mp3 and AAC).