Hi there. Having recently signed up to Apple Music I wish to remove my purchased songs from the phone in order to free up storage space. I had previously put these songs into one large playlist which I now can't remove. When I plug my phone into iTunes the checkboxes are greyed out and there is no "delete" option when I right-click the playlist. On my iPhone the playlist doesn't exist, but instead the music is split into all of its constituent albums and singles. Deleting all of them individually would take hours and I fear they may come back when syncing. Have a feeling it's something to do with iCloud Music Library that seemed to kick in when I signed up for Apple Music. Any help would be appreciated.