Instructions
Turn on your PlayStation 3 game console. Your system must have an Internet connection before you can enable WMA playback.
Select "Settings" from the PlayStation 3 main menu.
Choose "System Settings" from the sub-menu.
Select "Enable WMA Playback" from the System Settings options.
Allow your PlayStation 3 to connect to the Internet. The system will download the firmware and complete the authentication process that will allow you to play WMA files on your console.