Abstract
The role that the conductor of an orchestra plays is considered as the decision-maker of the whole project. "Project manager" here is used in the meaning of function that takes the responsibility of the plan and the execution of the project. Especially, I want to pay attention to the characteristic as the responsibility type organization of the orchestra. The mechanism of recognition and the problem solution of the problem in the project might be able to be clarified, and to become an effective approach. The orchestra is assumed to be one form of the project team and consideration is advanced. It is because of the idea that taking up the orchestra as an example of the project human resources management has the meaning in the following three key words. 1.Mechanism of decision making in project. 2.Composition of hierarchical organization in project. 3.Clarification and allotment of responsibility.