I remove my Micro SD card to add more music to my phone. Insert the Micro SD card again and all my playlists are empty, all my plays and ratings have disappeared. Luckily I have Playlist Manager so I can import my ratings and plays but my playlists now need to be completely re-organised. I have over 200 so this will take hours.    Why does this keep happening? This has happened to me three times now. Poweramp knows where the songs are, it has no trouble finding them but it's like it ju