2. The solo will highlight the solo instruments, such as standing up and playing next to the coach
3. There is a chorus, and some songs will be sung in concert when playing
4. Entertainment-oriented, the music played is light, and the members will do actions while playing, such as dancing, stepping off the stage and doing something to entertain the audience. In a narrow sense, a concert is a stage performance mainly presented by music, which is generally opposite to a repertoire performance with a story. The forms of concerts include symphonic/orchestral music, various instrumental solos, various instrumental ensemble chamber music, various solos, duets and chorus, and concerts can involve various styles. In addition, there are now multimedia new audio-visual concerts to increase sensory enjoyment, but the main body is still a concert. Concerts in a broad sense can be operas, ballet and musicals.