For example:If you have an iPhone, that was updated to version 3.2.0 or higher and you have used the app on this device, iCloud sync was initiated there. If you the move over to, for example, your iPad, data will be loaded from the iCloud on startup automatically. If you had saved songs on your iPad other than on the iPhone, they will be lost. You can restore data on the iPad with this Solution. It is recommended to disable iCloud sync before as you cannot merge data from two devices.