大合奏！バンドブラザーズ (Daigassou! Band-Brothers) is a rhythm game for the Nintendo DS developed and published by Nintendo. The game was released in Japan in July 2005. The game features a wide variety of songs from various Japanese and international artists. The main game mode is a story mode where players must complete various tasks in order to progress through the game. Additionally, there are several other modes such as a multiplayer mode, a practice mode, and a download mode. In the story mode, players take on the role of a band manager, who must help their band become successful. Players must manage their band's repertoire, practice sessions, and live performances. As the band progresses, they can unlock new songs, instruments, and other bonuses. The game also features a multiplayer mode, where up to eight players can compete against each other using their own instruments. Daigassou! Band-Brothers has been praised for its excellent sound quality, as well as its variety of songs and instruments. The game has also been praised for its use of the Nintendo DS's touch screen, which allows players to play the game using the stylus. Additionally, the game features an extensive tutorial which makes it easy for beginners to get started. Daigassou! Band-Brothers is an excellent game for anyone looking for an enjoyable rhythm game experience.