I can understand how you're feeling - I'm not happy about having several TB of data deleted either. >.<
Anyway, I'm currently still looking for a reliable host - seeing how this morning its impossible to even upload to most of them, the search continues. :(
Could you please reupload these?
https://www.anime-sharing.com/threads/2003-witch-fake(フェイク)-soundtrack-op.1217706/
https://www.anime-sharing.com/threads/2000-pinpai-rebirth(リバース).1314894/
https://www.anime-sharing.com/threads/1998-pinpai-missing-itsuka-kitto-(missing-~いつかきっと~)-soundtrack-op.1210849/ https://www.anime-sharing.com/threads/2002-witch-milkyway-2-cd-soundtrack-op-ed.1431041/