Personally I've not found that, I used Tune My Music to sync across 140 playlists of probably 10k songs from Spotify and not many came up as "not available". I

Personally I've not found that, I used Tune My Music to sync across 140 playlists of probably 10k songs from Spotify and not many came up as "not available". I have found their library for children's profiles more limited though.