Today, musical writing tools, widely available on personal computers, are the subject of a double challenge: on the one hand, satisfying the needs of inventors active in new, multidisciplinary contexts, going from concert to sound installations, for which the notation of the note and the sound can be directly combined, in particular in a developing domain such as sound design. On the other hand, creating a more transparent connection between musical structures pre-written in non real-time, and real-time interaction processes that will disrupt and interpret them.