The Virgin Mobile Music+ is a free application that may be downloaded from the App Store.
To install the application, from the home screen, tap App Store.
Tap the Search field and enter virgin mobile.
Tap Virgin Mobile Ringback Tone Store in the search results.
Tap Free or Install.
Note: If prompted, enter the password for the Apple ID account.
Tap Open to launch the application, otherwise press the Home key.
VMU Music+ is now installed and ready for use.