Recently, the musicals produced in Korea are based on composers and performers in the classic music period. In this paper, the musicals such as , , , and investigate in terms of exploration and application, presence and liveness and prior knowledge. As a result of these, the commitment, preference and affinity of audience have increased when these kind of musicals have the creative stories with musicians and playing music in the stage when they have prior knowledge about the musicians for the musicals. Nowadays the traditional liveness of performances in the stage has been much higher in the musicals. Therefore these musicals could been classified affirmatively as a new type of musical.