To approach the link to art and think of the possible extension of the public through the relation between various actors of a territory, such is the challenge that a cultural team settled. The observation of the conduct of a project in a home of migrant workers shows the way the processes of creation, distribution and mediation join other dimensions of space and time then those proposed by the classic logics of attendance of equipment. This study puts the relationship to the art as esthetic experience, in a relational dynamics of trust and exchange. So it suggests opening new avenues of research where the movement of the classic lines of the artistic representation accompanies the overtaking of the classic forms of the sociological analysis to envisage a construction of the possible.