SSMN intends to develop a conceptual framework and a tool set that allows composers to integrate spatialization in musical notation from the onset of the creation process. As the composition takes form and graphic symbols ex-pressing spatialization is introduced into the score, instant audio rendering provides feedback within a surround sound configuration. In parallel, SSMN helps interpreters and audio engineers to learn and master scores that con-tain complex instructions of motion in space

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... sily re-cognizable both in printed and animated electronic for-mat. At first a SSMN Spatial Taxonomy was established to identify key motion in space possibilities within musi-cal context; consequently, a collection of SSMN Symbols has been designed and implemented in a software library of graphical objects within MuseScoreSSMN, a dedicated editor that has been developed to allow interactive use of this library along with CWMN. In order to bridge the gap between visual elements and audio perception, an SSMN-Rendering-Engine application is at the heart of OSC inter-application communication strategies allowing the use of DAW and user-defined programming envi-ronments along with MuseScoreSSMN. A prototype has been prepared and tested by a user group consisting of composers and performers. Further research shall address other user cases integrating electroacoustic paradigms.