The purpose of this article is to show the place and the role, cathartic in particular, of music in the mortuary ceremonies among the Dàgàrà-Lòbr from Burkina Faso. It presents the instrumental ensembles which are played there and whose most important instruments are the xylophones. The author describes the main stages of the funeral, from death until the end of the ceremony. In this description is highlighted the articulation of the various ritual phases with the music of the two sets of xylophones, namely the lóbrí ensemble which intervene during the preliminary phases and the dὲgàar ensemble which is played during the ceremony itself and is used as a support to praises, lamentations and other words of comfort pronounced by a group of men called làng-kóndbὲ or cantateurs.