Two kinds of scores are considered: 1) The symbolic score used by composers for representing, usually in a graphic way, the fundamental characteristics of musical events; 2) the operational score representing a numerical way the parameters relevant to the acoustical properties of sound and the parameters relevant to the functioning of instruments. The execution process can be divided in two steps: first, interpretation and translation of symbolic score into operational score; second, its acoustical production. The common musical notation is inadequate for automatic execution. A language has been devised for integrating the common musical notation transcription with the parameters relevant to the interpreting procedures. The different actions on each musical parameter interpretation by its proposed language are illustrated. A program has been realized which translated symbolic scores, coded in such a language, into operational scores, suitable to be played by MUSIC 5 program. The system offers the advantages of symbolic representation, without sacrificing the possibility of precisely determining specific operational details.
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