Some Apple Music users are posting on Reddit about playlists from other users randomly appearing in their own music library in the app, causing some rather serious privacy concerns. Discovering new music and curating super niche playlists is one of the joys of modern music streaming services. There’s nothing better than finding a very specific playlist with a slightly off-putting title and diving into the carefully curated mood created by the crater of the playlist.However, MacRumors was approached by Reddit