Write the composition of the band first, and then write the significance of the composition of the band. The composition of the band should be written in the introduction of the old wind band, for example, "The old wind band is mainly composed of brass instruments, woodwind instruments and percussion instruments, such as trombone, trumpet, horn and saxophone. Most of the members of the orchestra are retired old people. They have a certain musical foundation and playing skills, and some joined after participating in the training of the orchestra. " Rewrite the meaning of band composition, such as "old bands also have positive significance in cultural inheritance." By participating in music activities, the elderly can feel the joy and beauty brought by music, and at the same time, they can also convey and carry forward the traditional culture of China. "