Offliine musics Android

[rpsj1573]

Good afternoon people. I can no longer download my playlists on my Moto G 2. I trigger my wifi , enter the playlist, select the Available Offline option , the songs are downloaded , but then disappear from my cell . Already desistalei the program , I have changed the sdcard , already revised the permissions and nothing . I can not download my playlists for offline listening . Please I need help!!!!