I bought yesterday Poweramp. I was downloading for hours album art for my 5000+ songs in my collection. Today I just copied my music from my phone to my tablet. All the files in the sd card as my phone. All the same names. Didnt change names of files or songs or anything. Just copy-paste. I installed Poweramp, replaced all the files in the internal storage, android, data, _com.maxmpz.audioplayer with those in the exact place from my phone, I ve chosen to show sd card files, renew my library and all my album art was there exactly as my phone.