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Go forward to Concert Simulation and Debugging
Composing a concert score by constructing a Java session program as depicted in Concert Example and Concert Composition is conceptually simple but still a task too low-level for typical users. Various coordination languages, based on high-level declarative or visual abstraction models, can be used to construct sessions in a more comfortable way and generate the corresponding Java classes.
As an example, The following figure sketches the essentials of a possible visual programming interface; this picture contains the same same information as the concert score described in Concert Example):
While the details of graphical representations may vary, it should be clear that the concert model described in this paper can be visually described in a unique way such that the corresponding Java classes are generated by a compiler. The only remaining task is the association of instrument ensembles to player ensembles and the definition of access policies, which can be also supported by graphical standard forms.