However, characteristic models of samba dances and music are beyond invariant properties of repetitive gestures or rhythm motives. The research shows that the sounding structure of samba cannot be fully understood without taking into consideration the role of the human body and the structure of dances. In addition, we argue that the metric signature of samba music may actually be dependent on the metric structure of dance. The applications of these methods to data-sets of motion capture recordings of samba dances show that the musical meter is indeed strongly represented in the gestures and in the dance space. From motion capture and video recordings of dance, we developed methods that allow the description of gestures in terms of shapes and spatiotemporal reference frames. Starting from commercial audio excerpts and field recordings, we demonstrated that samba is characterized by particular micro-timing deviations, as well as an unclear configuration of periodicities in the metrical structure of music. In this study, we investigate how this gesture is modeled through sound and movement and how the interdependence between these modalities has influenced samba music and samba dances. Together, these experiences convey a sort of unified gesture, or cross-modal gesture, which is acquired and performed through sound, movement and other modalities. Music and dance cannot be easily dissociated in the culture of Afro-Brazilian samba.
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