Figure 3 134 Franck Bernéde exclusively used in the context of the jdgar ritual, while the second one is used in the epic ballads. Thus, the very notion of musical rhythm clearly distinguishes these two repertoires of the bard. The rhythmic structure of the jagar must, therefore, be approached and understood in terms of “move- ments”, and not just rhythms, in the common sense of “metric structure”. This point is essential for understanding the ja@gar rhythmic structure since, in addition to marking a stylistic boundary with the second repertoire of the bard, that is, the ballads, the term chal “movement” characterises the princi- ples on which the entire ritual is conceived. In fact, in the jdgar, almost everything is conceived in terms of “movements”.