Description: "Who is the subject which is being constituted in listening (…)? It is not more the individual who interprets the work than the one who composed or listens to it: it is not even the meeting of these three people in only one, as it happens in most ordinary way when a composer plays his own music. The subject who constitutes himself from resonance, the listening- subject is nothing more or is nobody other than musical work" (Nancy, 2001,p. 9). On the basis of this postulate suggested by Nancy, we will be interested in a particular case, which of a practice of musical listening in educational circle and that is planned in order to discover a given work in creation. A didactic situation statistically rather rare, but which interests us nevertheless, owing to the fact that it focuses on a musical object on becoming and that it causes a prototypical planning and approach .A process which sees combining the construction of a cultural object anchored in a determined social and semiotic context and the construction of a didactic object, in parallel… From two sequences of teaching carried out in preliminary with a Pedro Amaral's creation (march 2006), we will consider certain methods of planning of two teachers general practitioners and on an analysis of listening activities suggested to pupils of elementary division and to pupils of average division .A comparative approach of the two sequences will make it possible moreover to highlight some professional gestures characteristic of listening activities in the two concerned levels.