Do you have a lot of songs and iphone storage is out? Here is the solution, you can now use dropbox as a personal cloud music player. Please you log in dropbox and connect the app, then it will sync with dropbox and all the mp3 appear in your dropbox application folder will show up in this app.
You can stream your favorite music right from internet, or download your love music files to iphone and listen offline. Easy manage the music files, every action you perform in dropbox will be sync. If you add a file in the dropbox, then it will show up in the app, when you delete a file in the dropbox, then that file will be delete on the phone. Just easy.
Enjoy your personal music cloud player.