Karaoke Revolution Party for Gamecube is a music and rhythm video game that was released in 2005. It offers players the ability to sing along to a variety of songs across different genres and time periods, rating their vocal performance. The game comes with a microphone accessory and features several game modes, including a 'Party Mode' for multiplayer fun. It's a family-friendly game that combines singing and dancing, allowing players to compete against each other or work together in duets.