Use a tool like CleanRip on your Wii or imgburn on a PC with a compatible disc drive to create an ISO.
For the best performance and compatibility with modern fixes, download the latest Beta or Development version . While "Stable" versions exist, they are often years out of date and lack critical audio lag improvements. rhythm heaven fever dolphin emulator download
Because this is a rhythm game, audio latency is the enemy. Use a tool like CleanRip on your Wii