The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
Rock Band named ix! application for fans. You can listen to the CDs, watch its youtube videos and many photos, check the lyrics or send them a message. You can also contact with them through facebook, twitter or read their blog with the latests news. Summing up, a must have free application for every ix! fan.