This book is a collection of works specially arranged for accordion ensemble performances.It includes a series of well-known musical pieces as well as original compositions, covering various music styles and forms of expression. The children’s music in the collection is characterized by simple and lively melodies and cheerful rhythms, suitable for youth ensembles. The portfolio also includes a series of original works composed for different stages and styles, which not only showcase the composer’s creativity, but also bring fresh music experiences to various accordion bands. In addition to the works mentioned above, the collection features ensemble works, each with unique musical characteristics and forms of expression, adaptable to different occasions and performance needs. By playing presenting these works, orchestras can fully showcase the artistic charm and musical style of accordion ensemble through the unique timbre of the accordion and the harmonious coordination of ensemble playing.