Ready Steady Sing

Rhythm World is a 2006 rhythm video game developed by Nintendo SPD for the Nintendo DS. It is the second game in Nintendo's Rhythm Heaven series and the first one released worldwide, following the Japan-only Game Boy Advance title Rhythm Tengoku, and was succeeded by Rhythm Heaven Feverfor the Wii and Rhythm Heaven Megamix for the 3DS. The game was released in America on November 23, 2006,